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<!DOCTYPE html> < html lang = "en" > < head > < meta charSet = "utf-8" / > < meta http-equiv = "X-UA-Compatible" content = "IE=edge" / > < title > Executing A DLC with Bitcoin-S · bitcoin-s< / title > < meta name = "viewport" content = "width=device-width, initial-scale=1.0" / > < meta name = "generator" content = "Docusaurus" / > < meta name = "description" content = "## Executing A Discreet Log Contract (DLC)" / > < meta name = "docsearch:version" content = "1.9.2" / > < meta name = "docsearch:language" content = "en" / > < meta property = "og:title" content = "Executing A DLC with Bitcoin-S · bitcoin-s" / > < meta property = "og:type" content = "website" / > < meta property = "og:url" content = "https://bitcoin-s.org/" / > < meta property = "og:description" content = "## Executing A Discreet Log Contract (DLC)" / > < meta property = "og:image" content = "https://bitcoin-s.org/img/undraw_online.svg" / > < meta name = "twitter:card" content = "summary" / > < meta name = "twitter:image" content = "https://bitcoin-s.org/img/undraw_tweetstorm.svg" / > < link rel = "shortcut icon" href = "/img/favicon.ico" / > < link rel = "stylesheet" href = "https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.css" / > < link rel = "stylesheet" href = "//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/default.min.css" / > < script >
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< / script > < / nav > < / div > < div class = "container mainContainer docsContainer" > < div class = "wrapper" > < div class = "post" > < header class = "postHeader" > < a class = "edit-page-link button" href = "https://github.com/bitcoin-s/bitcoin-s/blob/master/docs/wallet/dlc.md" target = "_blank" rel = "noreferrer noopener" > Edit< / a > < h1 id = "__docusaurus" class = "postHeaderTitle" > Executing A DLC with Bitcoin-S< / h1 > < / header > < article > < div > < span > < h2 > < a class = "anchor" aria-hidden = "true" id = "executing-a-discreet-log-contract-dlc" > < / a > < a href = "#executing-a-discreet-log-contract-dlc" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Executing A Discreet Log Contract (DLC)< / h2 >
< h2 > < a class = "anchor" aria-hidden = "true" id = "step-1-get-bitcoin-s-setup" > < / a > < a href = "#step-1-get-bitcoin-s-setup" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Step 1: Get Bitcoin-S Setup< / h2 >
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< p > See the < a href = "/docs/getting-setup" > setup document< / a > .< / p >
< h3 > < a class = "anchor" aria-hidden = "true" id = "using-the-gui" > < / a > < a href = "#using-the-gui" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Using the GUI< / h3 >
< p > To first start up the GUI you first need to start your bitcoin-s server and gui with< / p >
< pre > < code class = "hljs css language-bashrc" > sbt bundle/< span class = "hljs-keyword" > run< / span > < span class = "bash" >
< / span > < / code > < / pre >
< p > or if your bitcoin-s server is already running, you can run the standalone gui with< / p >
< pre > < code class = "hljs css language-bashrc" > sbt gui/< span class = "hljs-keyword" > run< / span > < span class = "bash" >
< / span > < / code > < / pre >
< p > or by following the instructions for building and running the GUI < a href = "/docs/getting-setup#step-5-setting-up-a-bitcoin-s-server" > here< / a > < / p >
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< h2 > < a class = "anchor" aria-hidden = "true" id = "step-2-agree-on-contract-terms" > < / a > < a href = "#step-2-agree-on-contract-terms" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Step 2: Agree On Contract Terms< / h2 >
< p > Both parties must agree on all fields from the table below:< / p >
< table >
< thead >
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< tr > < th style = "text-align:center" > Field Name< / th > < th style = "text-align:center" > Description< / th > < / tr >
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< / thead >
< tbody >
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< tr > < td style = "text-align:center" > contractInfo< / td > < td style = "text-align:center" > Information about payouts and which oracles to use< / td > < / tr >
< tr > < td style = "text-align:center" > collateral< / td > < td style = "text-align:center" > Number of sats the initiator is putting up< / td > < / tr >
< tr > < td style = "text-align:center" > locktime< / td > < td style = "text-align:center" > Locktime of the CETs< / td > < / tr >
< tr > < td style = "text-align:center" > refundlocktime< / td > < td style = "text-align:center" > Locktime of the Refund Transaction< / td > < / tr >
< tr > < td style = "text-align:center" > feerate< / td > < td style = "text-align:center" > Fee rate in sats/vbyte< / td > < / tr >
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< / tbody >
< / table >
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< blockquote >
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< p > Note: if you wish to set up your own oracle for testing, you can do so by checking out our < a href = "/docs/oracle/oracle-server" > oracle rpc server< / a > or < a href = "https://github.com/bitcoin-s/krystal-bull" > Krystal Bull< / a > < / p >
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< / blockquote >
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< h3 > < a class = "anchor" aria-hidden = "true" id = "decoding-dlc-messages" > < / a > < a href = "#decoding-dlc-messages" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Decoding DLC Messages< / h3 >
< p > With the cli tool you can decode dlc offers, contract infos, oracle announcements, and oracle attestations.
This can be helpful for when developing on top of bitcoin-s and not having the proper DLC tooling to understand the messages.< / p >
< p > Examples:< / p >
< p > Decoding Offer:< / p >
< pre > < code class = "hljs css language-bash" > bitcoin< span class = "hljs-_" > -s< / span > -cli decodeoffer 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
{
< span class = "hljs-string" > "contractFlags"< / span > : < span class = "hljs-string" > "0"< / span > ,
< span class = "hljs-string" > "chainHash"< / span > : < span class = "hljs-string" > "6fe28c0ab6f1b372c1a6a246ae63f74f931e8365e15a089c68d6190000000000"< / span > ,
< span class = "hljs-string" > "contractInfo"< / span > : {
< span class = "hljs-string" > "totalCollateral"< / span > : 69420,
< span class = "hljs-string" > "contractDescriptor"< / span > : {
< span class = "hljs-string" > "outcomes"< / span > : [
{
< span class = "hljs-string" > "outcome"< / span > : < span class = "hljs-string" > "Yes"< / span > ,
< span class = "hljs-string" > "localPayout"< / span > : 69420
},
{
< span class = "hljs-string" > "outcome"< / span > : < span class = "hljs-string" > "No"< / span > ,
< span class = "hljs-string" > "localPayout"< / span > : 0
}
]
},
< span class = "hljs-string" > "oracleInfo"< / span > : {
< span class = "hljs-string" > "announcement"< / span > : {
< span class = "hljs-string" > "announcementSignature"< / span > : < span class = "hljs-string" > "d89fe4d84bdf96299d2e3664acda7e14001297f341afcaca91d3909f12988cb308f309625d89c078bf2268b174faf1c082f1f10bef55834af50b91d9a241ffb2"< / span > ,
< span class = "hljs-string" > "publicKey"< / span > : < span class = "hljs-string" > "b8b005b07acf849ad2cec22107331dedbf5a607654fad4eafe39c278e27dde68"< / span > ,
< span class = "hljs-string" > "event"< / span > : {
< span class = "hljs-string" > "nonces"< / span > : [
< span class = "hljs-string" > "ef8bd9f4445543c63923dde8c00f60d649c445a7772ac4693136b2fd234fcc2f"< / span >
],
< span class = "hljs-string" > "maturity"< / span > : < span class = "hljs-string" > "2021-07-03T00:00:00Z"< / span > ,
< span class = "hljs-string" > "descriptor"< / span > : {
< span class = "hljs-string" > "outcomes"< / span > : [
< span class = "hljs-string" > "Yes"< / span > ,
< span class = "hljs-string" > "No"< / span >
]
},
< span class = "hljs-string" > "eventId"< / span > : < span class = "hljs-string" > "Does the mempool clear on 7/2/21"< / span >
}
}
}
},
< span class = "hljs-string" > "fundingPubKey"< / span > : < span class = "hljs-string" > "02279cf17c387d7101b08d90b2aeef46231957d9d3558f5871e62781a68e7d75c9"< / span > ,
< span class = "hljs-string" > "payoutSPK"< / span > : < span class = "hljs-string" > "1600148dc81a3097bf28c6020eaf89cefae69c5f31aceb"< / span > ,
< span class = "hljs-string" > "payoutSerialId"< / span > : 6729888050161701888,
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< span class = "hljs-string" > "offerCollateral"< / span > : 37000,
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< span class = "hljs-string" > "fundingInputs"< / span > : [
{
< span class = "hljs-string" > "inputSerialId"< / span > : 7093787203812804608,
< span class = "hljs-string" > "prevTx"< / span > : < span class = "hljs-string" > "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"< / span > ,
< span class = "hljs-string" > "prevTxVout"< / span > : 2,
< span class = "hljs-string" > "sequence"< / span > : 4294967293,
< span class = "hljs-string" > "maxWitnessLen"< / span > : 107,
< span class = "hljs-string" > "redeemScript"< / span > : null
}
],
< span class = "hljs-string" > "changeSPK"< / span > : < span class = "hljs-string" > "160014d13be5f330b1ea9bbf61f68002b4465e02c341d9"< / span > ,
< span class = "hljs-string" > "changeSerialId"< / span > : 1.6080068685336797E19,
< span class = "hljs-string" > "fundOutputSerialId"< / span > : 9.390869355804355E18,
< span class = "hljs-string" > "feeRatePerVb"< / span > : 10,
< span class = "hljs-string" > "cetLocktime"< / span > : 0,
< span class = "hljs-string" > "refundLocktime"< / span > : 1630627200
}
< / code > < / pre >
< p > Decoding Contract Info:< / p >
< pre > < code class = "hljs css language-bash" > bitcoin< span class = "hljs-_" > -s< / span > -cli decodecontractinfo fdd82ee40000000000010f2cfda7101802035965730000000000010f2c024e6f0000000000000000fda712bcfdd824b8d89fe4d84bdf96299d2e3664acda7e14001297f341afcaca91d3909f12988cb308f309625d89c078bf2268b174faf1c082f1f10bef55834af50b91d9a241ffb2b8b005b07acf849ad2cec22107331dedbf5a607654fad4eafe39c278e27dde68fdd822540001ef8bd9f4445543c63923dde8c00f60d649c445a7772ac4693136b2fd234fcc2f60dfa880fdd80609000203596573024e6f20446f657320746865206d656d706f6f6c20636c656172206f6e20372f322f3231
{
< span class = "hljs-string" > "totalCollateral"< / span > : 69420,
< span class = "hljs-string" > "contractDescriptor"< / span > : {
< span class = "hljs-string" > "outcomes"< / span > : [
{
< span class = "hljs-string" > "outcome"< / span > : < span class = "hljs-string" > "Yes"< / span > ,
< span class = "hljs-string" > "localPayout"< / span > : 69420
},
{
< span class = "hljs-string" > "outcome"< / span > : < span class = "hljs-string" > "No"< / span > ,
< span class = "hljs-string" > "localPayout"< / span > : 0
}
]
},
< span class = "hljs-string" > "oracleInfo"< / span > : {
< span class = "hljs-string" > "announcement"< / span > : {
< span class = "hljs-string" > "announcementSignature"< / span > : < span class = "hljs-string" > "d89fe4d84bdf96299d2e3664acda7e14001297f341afcaca91d3909f12988cb308f309625d89c078bf2268b174faf1c082f1f10bef55834af50b91d9a241ffb2"< / span > ,
< span class = "hljs-string" > "publicKey"< / span > : < span class = "hljs-string" > "b8b005b07acf849ad2cec22107331dedbf5a607654fad4eafe39c278e27dde68"< / span > ,
< span class = "hljs-string" > "event"< / span > : {
< span class = "hljs-string" > "nonces"< / span > : [
< span class = "hljs-string" > "ef8bd9f4445543c63923dde8c00f60d649c445a7772ac4693136b2fd234fcc2f"< / span >
],
< span class = "hljs-string" > "maturity"< / span > : < span class = "hljs-string" > "2021-07-03T00:00:00Z"< / span > ,
< span class = "hljs-string" > "descriptor"< / span > : {
< span class = "hljs-string" > "outcomes"< / span > : [
< span class = "hljs-string" > "Yes"< / span > ,
< span class = "hljs-string" > "No"< / span >
]
},
< span class = "hljs-string" > "eventId"< / span > : < span class = "hljs-string" > "Does the mempool clear on 7/2/21"< / span >
}
}
}
< / code > < / pre >
< p > Decoding Oracle Announcement:< / p >
< pre > < code class = "hljs css language-bash" > bitcoin< span class = "hljs-_" > -s< / span > -cli decodeannouncement fdd824b1585e18c3bc1d922854329fdb5a402713b161b7baebb6b6f3249936ef79c0a6671027afd7a1126d79e589811042eb4885c0cb7c150b4c4863a1e35a2ac432f7c81d5dcdba2e64cb116cc0c375a0856298f0058b778f46bfe625ac6576204889e4fdd8224d0001424c11a44c2e522f90bbe4abab6ec1bc8ab44c9b29316ce6e1d0d7d08385a474603c2e80fdd80609000203594553024e4f194254432d5553442d4f5645522d35304b2d434f494e42415345
{
< span class = "hljs-string" > "announcementSignature"< / span > : < span class = "hljs-string" > "585e18c3bc1d922854329fdb5a402713b161b7baebb6b6f3249936ef79c0a6671027afd7a1126d79e589811042eb4885c0cb7c150b4c4863a1e35a2ac432f7c8"< / span > ,
< span class = "hljs-string" > "publicKey"< / span > : < span class = "hljs-string" > "1d5dcdba2e64cb116cc0c375a0856298f0058b778f46bfe625ac6576204889e4"< / span > ,
< span class = "hljs-string" > "event"< / span > : {
< span class = "hljs-string" > "nonces"< / span > : [
< span class = "hljs-string" > "424c11a44c2e522f90bbe4abab6ec1bc8ab44c9b29316ce6e1d0d7d08385a474"< / span >
],
< span class = "hljs-string" > "maturity"< / span > : < span class = "hljs-string" > "2021-03-01T00:00:00Z"< / span > ,
< span class = "hljs-string" > "descriptor"< / span > : {
< span class = "hljs-string" > "outcomes"< / span > : [
< span class = "hljs-string" > "YES"< / span > ,
< span class = "hljs-string" > "NO"< / span >
]
},
< span class = "hljs-string" > "eventId"< / span > : < span class = "hljs-string" > "BTC-USD-OVER-50K-COINBASE"< / span >
}
}
< / code > < / pre >
< p > Decoding Oracle Attestations< / p >
< pre > < code class = "hljs css language-bash" > bitcoin< span class = "hljs-_" > -s< / span > -cli decodeattestments fdd8687f194254432d5553442d4f5645522d35304b2d434f494e424153451d5dcdba2e64cb116cc0c375a0856298f0058b778f46bfe625ac6576204889e40001424c11a44c2e522f90bbe4abab6ec1bc8ab44c9b29316ce6e1d0d7d08385a474de6b75f1da183a2a4f9ad144b48bf1026cee9687221df58f04128db79ca17e2a024e4f
{
< span class = "hljs-string" > "eventId"< / span > : < span class = "hljs-string" > "BTC-USD-OVER-50K-COINBASE"< / span > ,
< span class = "hljs-string" > "signatures"< / span > : [
< span class = "hljs-string" > "424c11a44c2e522f90bbe4abab6ec1bc8ab44c9b29316ce6e1d0d7d08385a474de6b75f1da183a2a4f9ad144b48bf1026cee9687221df58f04128db79ca17e2a"< / span >
],
< span class = "hljs-string" > "values"< / span > : [
< span class = "hljs-string" > "NO"< / span >
]
}
< / code > < / pre >
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< h2 > < a class = "anchor" aria-hidden = "true" id = "step-3-set-up-the-dlc" > < / a > < a href = "#step-3-set-up-the-dlc" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Step 3: Set up The DLC< / h2 >
< h3 > < a class = "anchor" aria-hidden = "true" id = "using-the-gui-1" > < / a > < a href = "#using-the-gui-1" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Using the GUI< / h3 >
< p > If you're a visual learner there is a < a href = "https://www.youtube.com/watch?v=zy1sL2ndcDg" > video demo< / a > that explains this process in detail.
But do note that this demonstrates the old non-adaptor version of DLCs so that the Offer, Accept, Sign protocol is the same, but the contents will be different.< / p >
< p > If using a numeric contract and/or multiple oracles, messages can get very large and sometimes even too large to for the application.
To solve this there is an < code > Export to file< / code > button located under the text box for the messages your wallet will construct.
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This can be used to export a DLC message to a file and then the file can be sent to your counterparty.
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If you receive a file from a counter-party, there is an < code > Import file< / code > button on every dialog you input a DLC message.
This can be used to import the file of the DLC message from your counter-party.< / p >
< h4 > < a class = "anchor" aria-hidden = "true" id = "creating-the-offer" > < / a > < a href = "#creating-the-offer" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Creating The Offer< / h4 >
< p > Once the terms are agreed to, either party can use the < code > Offer< / code > button and enter each of the fields from the table above.< / p >
< h4 > < a class = "anchor" aria-hidden = "true" id = "accepting-the-offer" > < / a > < a href = "#accepting-the-offer" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Accepting The Offer< / h4 >
< p > Upon receiving a DLC Offer from your counter-party, you can use the < code > Accept< / code > button and paste in the DLC Offer.< / p >
< h4 > < a class = "anchor" aria-hidden = "true" id = "signing-the-dlc" > < / a > < a href = "#signing-the-dlc" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Signing The DLC< / h4 >
< p > Upon receiving a DLC Accept message from your counter-party, you can use the < code > Sign< / code > button and paste in the DLC Accept.< / p >
< h4 > < a class = "anchor" aria-hidden = "true" id = "adding-dlc-signatures-to-your-database" > < / a > < a href = "#adding-dlc-signatures-to-your-database" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Adding DLC Signatures To Your Database< / h4 >
< p > Upon receiving a DLC Sign message from your counter-party, add their signatures to your database using the < code > Add Sigs< / code > button and paste in the message.
After doing so you can get the fully signed funding transaction using the < code > Get Funding Tx< / code > button. This will return the fully signed serialized transaction.< / p >
< h3 > < a class = "anchor" aria-hidden = "true" id = "using-the-cli" > < / a > < a href = "#using-the-cli" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Using the CLI< / h3 >
< p > If using a numeric contract and/or multiple oracles, messages can get very large and sometimes even too large to for the application.
To solve this there are RPC calls where you can give a file instead of the entire DLC message.
To output a file you simply just need to pipe the output of a command into a file.< / p >
< p > For example:< / p >
< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli acceptdlcoffer [offer] > myDLCAccept.txt
< / code > < / pre >
< h4 > < a class = "anchor" aria-hidden = "true" id = "creating-the-offer-1" > < / a > < a href = "#creating-the-offer-1" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Creating The Offer< / h4 >
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< p > Once these terms are agreed to, either party can call on < code > createdlcoffer< / code > with flags for each of the fields in the table above. For example:< / p >
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< pre > < code class = "hljs css language-bashrc" > ./app/cli/target/universal/stage/bitcoin-s-cli createdlcoffer < span class = "hljs-comment" > [contractInfo]< / span > < span class = "hljs-comment" > [collateral]< / span > < span class = "hljs-comment" > [feerate]< / span > < span class = "hljs-comment" > [locktime]< / span > < span class = "hljs-comment" > [refundlocktime]< / span >
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< / code > < / pre >
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< h4 > < a class = "anchor" aria-hidden = "true" id = "accepting-the-offer-1" > < / a > < a href = "#accepting-the-offer-1" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Accepting The Offer< / h4 >
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< p > Upon receiving a DLC Offer from your counter-party, the following command will create the serialized accept message:< / p >
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< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli acceptdlcoffer [offer]
< / code > < / pre >
< p > or from file:< / p >
< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli acceptdlcofferfromfile [filepath]
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< / code > < / pre >
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< h4 > < a class = "anchor" aria-hidden = "true" id = "signing-the-dlc-1" > < / a > < a href = "#signing-the-dlc-1" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Signing The DLC< / h4 >
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< p > Upon receiving a DLC Accept message from your counter-party, the following command will generate all of your signatures for this DLC:< / p >
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< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli signdlc [accept]
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< / code > < / pre >
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< p > or from file:< / p >
< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli signdlcfromfile [filepath]
< / code > < / pre >
< h4 > < a class = "anchor" aria-hidden = "true" id = "adding-dlc-signatures-to-your-database-1" > < / a > < a href = "#adding-dlc-signatures-to-your-database-1" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Adding DLC Signatures To Your Database< / h4 >
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< p > Upon receiving a DLC Sign message from your counter-party, add their signatures to your database by:< / p >
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< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli adddlcsigs [sign]
< / code > < / pre >
< p > or from file:< / p >
< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli adddlcsigsfromfile [filepath]
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< / code > < / pre >
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< h4 > < a class = "anchor" aria-hidden = "true" id = "getting-funding-transaction" > < / a > < a href = "#getting-funding-transaction" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Getting Funding Transaction< / h4 >
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< p > You are now fully setup and can generate the fully signed funding transaction for broadcast using< / p >
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< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli getdlcfundingtx [contractId]
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< / code > < / pre >
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< p > where the < code > contractId< / code > is in all but the messages other than the DLC Offer message, and is also returned by the < code > adddlcsigs< / code > command.< / p >
< p > Alternatively, you can use the < code > getdlcs< / code > command to list all of your current DLCs saved in your wallet.< / p >
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< h2 > < a class = "anchor" aria-hidden = "true" id = "step-4-executing-the-dlc" > < / a > < a href = "#step-4-executing-the-dlc" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Step 4: Executing the DLC< / h2 >
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< h3 > < a class = "anchor" aria-hidden = "true" id = "using-the-gui-2" > < / a > < a href = "#using-the-gui-2" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Using the GUI< / h3 >
< h4 > < a class = "anchor" aria-hidden = "true" id = "execute" > < / a > < a href = "#execute" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Execute< / h4 >
< p > You can execute the DLC unilaterally with the < code > Execute< / code > button which will require the oracle signature.
This will return a fully signed Contract Execution Transaction for the event signed by the oracle.< / p >
< h4 > < a class = "anchor" aria-hidden = "true" id = "refund" > < / a > < a href = "#refund" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Refund< / h4 >
< p > If the < code > refundlocktime< / code > for the DLC has been reached, you can get the fully-signed refund transaction with the < code > Refund< / code > button and entering the < code > contractId< / code > .< / p >
< h3 > < a class = "anchor" aria-hidden = "true" id = "using-the-cli-1" > < / a > < a href = "#using-the-cli-1" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Using the CLI< / h3 >
< h4 > < a class = "anchor" aria-hidden = "true" id = "execute-1" > < / a > < a href = "#execute-1" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Execute< / h4 >
< p > Upon receiving an oracle signature, you can execute the DLC unilaterally with< / p >
< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli executedlc [contractId] [signatureTLVs]
< / code > < / pre >
< p > which will return fully signed Contract Execution Transaction for the event signed by the oracle.< / p >
< h4 > < a class = "anchor" aria-hidden = "true" id = "refund-1" > < / a > < a href = "#refund-1" aria-hidden = "true" class = "hash-link" > < svg class = "hash-link-icon" aria-hidden = "true" height = "16" version = "1.1" viewBox = "0 0 16 16" width = "16" > < path fill-rule = "evenodd" d = "M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z" > < / path > < / svg > < / a > Refund< / h4 >
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< p > If the < code > refundlocktime< / code > for the DLC has been reached, you can get the fully-signed refund transaction with< / p >
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< pre > < code class = "hljs css language-bashrc" > .< span class = "hljs-regexp" > /app/< / span > cli< span class = "hljs-regexp" > /target/u< / span > niversal< span class = "hljs-regexp" > /stage/< / span > bitcoin-s-cli executedlcrefund [contractId]
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< / code > < / pre >
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< / span > < / div > < / article > < / div > < div class = "docLastUpdate" > < em > Last updated on 3/1/2022 by user411< / em > < / div > < div class = "docs-prevnext" > < a class = "docs-prev button" href = "/docs/wallet/address-tagging" > < span class = "arrow-prev" > ← < / span > < span > Address and UTXO tagging< / span > < / a > < a class = "docs-next button" href = "/docs/wallet/wallet-rescan" > < span > wallet/wallet-rescan< / span > < span class = "arrow-next" > →< / span > < / a > < / div > < / div > < / div > < nav class = "onPageNav" > < ul class = "toc-headings" > < li > < a href = "#executing-a-discreet-log-contract-dlc" > Executing A Discreet Log Contract (DLC)< / a > < / li > < li > < a href = "#step-1-get-bitcoin-s-setup" > Step 1: Get Bitcoin-S Setup< / a > < ul class = "toc-headings" > < li > < a href = "#using-the-gui" > Using the GUI< / a > < / li > < / ul > < / li > < li > < a href = "#step-2-agree-on-contract-terms" > Step 2: Agree On Contract Terms< / a > < ul class = "toc-headings" > < li > < a href = "#decoding-dlc-messages" > Decoding DLC Messages< / a > < / li > < / ul > < / li > < li > < a href = "#step-3-set-up-the-dlc" > Step 3: Set up The DLC< / a > < ul class = "toc-headings" > < li > < a href = "#using-the-gui-1" > Using the GUI< / a > < / li > < li > < a href = "#using-the-cli" > Using the CLI< / a > < / li > < / ul > < / li > < li > < a href = "#step-4-executing-the-dlc" > Step 4: Executing the DLC< / a > < ul class = "toc-headings" > < li > < a href = "#using-the-gui-2" > Using the GUI< / a > < / li > < li > < a href = "#using-the-cli-1" > Using the CLI< / a > < / li > < / ul > < / li > < / ul > < / nav > < / div > < footer class = "nav-footer" id = "footer" > < section class = "sitemap" > < a href = "/" class = "nav-home" > < img src = "/img/favicon.ico" alt = "bitcoin-s" width = "66" height = "58" / > < / a > < div > < h5 > Docs< / h5 > < a href = "/docs/en/getting-started" > Getting Started< / a > < a href = "/docs/en/core/core-intro" > Guides< / a > < a href = "/api/org/bitcoins" > API Reference< / a > < / div > < div > < h5 > Community< / h5 > < a href = "/en/users.html" > User Showcase< / a > < a href = "https://join.slack.com/t/suredbits/shared_invite/zt-eavycu0x-WQL7XOakzQo8tAy7jHHZUw" target = "_blank" rel = "noreferrer noopener" > Slack< / a > < a href = "https://gitter.im/bitcoin-s-core/" > Gitter chat< / a > < / div > < div > < h5 > More< / h5 > < a href = "https://github.com/bitcoin-s/bitcoin-s" > GitHub< / a > < a class = "github-button" href = "https://github.com/bitcoin-s/bitcoin-s" data-icon = "octicon-star" data-count-href = "/bitcoin-s/bitcoin-s-core/stargazers" data-show-count = "true" data-count-aria-label = "# stargazers on GitHub" aria-label = "Star this project on GitHub" > Star< / a > < / div > < / section > < section class = "copyright" > Copyright © 2022 Suredbits & the bitcoin-s developers< / section > < / footer > < / div > < script type = "text/javascript" src = "https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js" > < / script > < script >
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