mirror of
https://github.com/bitcoin-s/bitcoin-s.git
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255 lines
17 KiB
Markdown
255 lines
17 KiB
Markdown
---
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id: oracle-server
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title: Oracle Server
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---
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The Oracle Server is a DLC Oracle with functionality for creating events and attesting to them.
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It also provides data to be able to set up your staking address.
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## Step 1: Java and Scala
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To get started you will need Java, Scala, and some other nice tools installed, luckily the Scala team has an easy setup process!
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Simply follow the instructions in [this short blog](https://www.scala-lang.org/2020/06/29/one-click-install.html) to get started.
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## Step 2: Bitcoin-S Repository
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Now, it is time to clone the [Bitcoin-S repository](https://github.com/bitcoin-s/bitcoin-s/) by running
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```bashrc
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git clone --recursive git@github.com:bitcoin-s/bitcoin-s.git
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```
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or alternatively, if you do not have ssh setup with github, you can run
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```bashrc
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git clone --recursive https://github.com/bitcoin-s/bitcoin-s.git
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```
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Next, you will want to execute the commands
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```bashrc
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cd bitcoin-s
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git submodule update
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```
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to download the secp256k1 submodule, this is so cryptographic functions like signing will be faster.
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## Step 3: Building the Oracle Server
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You can build the oracle server with the [sbt native packager](https://github.com/sbt/sbt-native-packager).
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The native packager offers [numerous ways to package the project](https://github.com/sbt/sbt-native-packager#examples).
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In this example we are going to use `stage` which will produce bash scripts we can easily execute. You can stage the server with the following command.
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```bash
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sbt oracleServer/universal:stage
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```
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This will produce a script to execute bitcoin-s which you can start with
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```bash
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./app/oracle-server/target/universal/stage/bin/bitcoin-s-oracle-server
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```
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Alternatively you can run the server by just using:
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```bash
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sbt oracleServer/run
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```
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## Step 4: Configuration
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If you would like to pass in a custom datadir for your server, you can do
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```bash
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./app/oracle-server/target/universal/stage/bin/bitcoin-s-oracle-server --datadir /path/to/datadir/
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```
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To use a config file that is not the `bitcoin-s.conf` file in your datadir, you can do
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```bash
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./app/oracle-server/target/universal/stage/bin/bitcoin-s-oracle-server --conf /path/to/file.conf
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```
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You can also pass in a custom `rpcport` to bind to
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```bash
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./app/oracle-server/target/universal/stage/bin/bitcoin-s-oracle-server --rpcport 12345
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```
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For more information on configuring the server please see our [configuration](../config/configuration.md) document
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For more information on how to use our built in `cli` to interact with the server please see [cli.md](../applications/cli.md)
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## Server Endpoints
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- `getpublickey` - Get oracle's public key
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- `getstakingaddress` - Get oracle's staking address
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- `listevents` - Lists all oracle event TLVs
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- `createevent` `label` `maturationtime` `outcomes` - Registers an oracle event
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- `label` - Label for this event
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- `maturationtime` - The earliest expected time an outcome will be signed, given in epoch second
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- `outcomes` - Possible outcomes for this event
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- `createdigitdecompevent` `name` `maturationtime` `base` `numdigits` `unit` `precision` `[signed]` - Registers an oracle event that uses digit decomposition when signing the number
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- `name`- Name for this event
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- `maturationtime` - The earliest expected time an outcome will be signed, given in epoch second
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- `base` - The base in which the outcome value is decomposed
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- `numdigits` - The max number of digits the outcome can have
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- `unit` - The unit denomination of the outcome value
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- `precision` - The precision of the outcome representing the base exponent by which to multiply the number represented by the composition of the digits to obtain the actual outcome value.
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- `--signed`- Whether the outcomes can be negative
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- `getevent` `event` - Get an event's details
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- `event` - The event's oracle event tlv
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- `signevent` `event` `outcome` - Signs an event
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- `event` - The event's oracle event tlv
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- `outcome`- Outcome to sign for this event
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- `signdigits` `event` `outcome` - Signs an event
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- `event` - The event's oracle event tlv
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- `outcome` - Number to sign for this event
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- `getsignatures` `event` - Get the signatures from a signed event
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- `event` - The event's oracle event tlv
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### Create Event Example
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Bitcoin-S CLI:
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```bash
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$ bitcoin-s-cli createevent test 1701917137 "outcome1,outcome2,outcome3"
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fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533
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$ bitcoin-s-cli getevent fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533
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{
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"nonces": [
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"0374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8"
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],
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"eventName": "test",
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"signingVersion": "Mock",
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"maturationTime": "2023-12-07T02:45:37Z",
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"announcementSignature": "e27ccd54ee0e2b94c4af6e7a4ee5a73026d244dec373d6ea5d9c671d2792108c1df0b64820a1d578165cd07d37dbb4c2e6d72fbdbead156b45d8838ca1d36691",
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"eventDescriptorTLV": "fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533",
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"eventTLV": "fdd8226cf8d695520151bc9fbd129be6231f46b0e137b26d8ff91910c0cb6d07f6924968657131d1fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d653374657374",
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"announcementTLV": "fdd824b0e27ccd54ee0e2b94c4af6e7a4ee5a73026d244dec373d6ea5d9c671d2792108c1df0b64820a1d578165cd07d37dbb4c2e6d72fbdbead156b45d8838ca1d36691fdd8226cf8d695520151bc9fbd129be6231f46b0e137b26d8ff91910c0cb6d07f6924968657131d1fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d653374657374",
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"attestations": null,
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"signatures": null,
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"outcomes": [
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"outcome1",
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"outcome2",
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"outcome3"
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]
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}
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$ bitcoin-s-cli signevent fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533 "outcome1"
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0374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8a65977263a6b6071c29232a516adb0e69e8e049772275dc9fa8d9cfa620960dd
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$ bitcoin-s-cli getsignatures fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533
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[
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"0374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8a65977263a6b6071c29232a516adb0e69e8e049772275dc9fa8d9cfa620960dd"
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]
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```
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CURL:
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```bash
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$ curl --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "createevent", "params": ["testEvent", 1701917137, ["outcome1", "outcome2", "outcome3"]]}' -H "Content-Type: application/json" http://127.0.0.1:9999/
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{"result":"fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533","error":null}
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$ curl --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getevent", "params": ["fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533"]}' -H "Content-Type: application/json" http://127.0.0.1:9999/
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{"result":{"nonces":["0374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8"],"eventName":"test","signingVersion":"Mock","maturationTime":"2023-12-07T02:45:37Z","announcementSignature":"e27ccd54ee0e2b94c4af6e7a4ee5a73026d244dec373d6ea5d9c671d2792108c1df0b64820a1d578165cd07d37dbb4c2e6d72fbdbead156b45d8838ca1d36691","eventDescriptorTLV":"fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533","eventTLV":"fdd8226cf8d695520151bc9fbd129be6231f46b0e137b26d8ff91910c0cb6d07f6924968657131d1fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d653374657374","announcementTLV":"fdd824b0e27ccd54ee0e2b94c4af6e7a4ee5a73026d244dec373d6ea5d9c671d2792108c1df0b64820a1d578165cd07d37dbb4c2e6d72fbdbead156b45d8838ca1d36691fdd8226cf8d695520151bc9fbd129be6231f46b0e137b26d8ff91910c0cb6d07f6924968657131d1fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d653374657374","attestations":["a65977263a6b6071c29232a516adb0e69e8e049772275dc9fa8d9cfa620960dd"],"signatures":["0374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8a65977263a6b6071c29232a516adb0e69e8e049772275dc9fa8d9cfa620960dd"],"outcomes":["outcome1","outcome2","outcome3"]},"error":null}
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$ curl --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "signevent", "params": ["fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533", "outcome 1"]}' -H "Content-Type: application/json" http://127.0.0.1:9999/
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{"result":"0374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8a65977263a6b6071c29232a516adb0e69e8e049772275dc9fa8d9cfa620960dd","error":null}
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$ curl --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getsignatures", "params": ["fdd806400374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8000300086f7574636f6d653100086f7574636f6d653200086f7574636f6d6533"]}' -H "Content-Type: application/json" http://127.0.0.1:9999/
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{"result":["0374d9df0a4591e7a9ab16b091df6709220594771b7c0d5c2be6a11c4c452ef8a65977263a6b6071c29232a516adb0e69e8e049772275dc9fa8d9cfa620960dd"],"error":null}
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```
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### Digit Decomposition Example
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Bitcoin-S CLI:
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```bash
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$ bitcoin-s-cli createdigitdecompevent exampleDecomp 1701917137 10 3 "units" 0 --signed
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fdd80a85000a010004abb84920cb647b1dc2bbbc6b1584af8d0a1a737fe0765d7414ebffcfd9c7057d14c56615db0684b6dff24683fa25905c84a87ac9f42f75a097ceeb444ba7f851408c23c383d1b897638a8310dfd1979f3dc78c75180a5e25510cfbc2563a02557e6a8d9803662a1576e95d6165e9aa1751a909124aee60736efdde78ccef4458
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$ bs-cli getevent fdd80a85000a010004abb84920cb647b1dc2bbbc6b1584af8d0a1a737fe0765d7414ebffcfd9c7057d14c56615db0684b6dff24683fa25905c84a87ac9f42f75a097ceeb444ba7f851408c23c383d1b897638a8310dfd1979f3dc78c75180a5e25510cfbc2563a02557e6a8d9803662a1576e95d6165e9aa1751a909124aee60736efdde78ccef4458
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{
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"nonces": [
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"abb84920cb647b1dc2bbbc6b1584af8d0a1a737fe0765d7414ebffcfd9c7057d",
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"14c56615db0684b6dff24683fa25905c84a87ac9f42f75a097ceeb444ba7f851",
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"408c23c383d1b897638a8310dfd1979f3dc78c75180a5e25510cfbc2563a0255",
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"7e6a8d9803662a1576e95d6165e9aa1751a909124aee60736efdde78ccef4458"
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],
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"eventName": "exampleDecomp",
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"signingVersion": "Mock",
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"maturationTime": "2023-12-07T02:45:37Z",
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"announcementSignature": "7b149e6001496f34588ce3089df91d0f1dfbaaae988ed993c1eacf759519c358ad1fd1d98747412bf25e257c9e4cb18ece3f132fc3ef2f400258d9cf5eb9fae0",
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"eventDescriptorTLV": "fdd80a85000a010004abb84920cb647b1dc2bbbc6b1584af8d0a1a737fe0765d7414ebffcfd9c7057d14c56615db0684b6dff24683fa25905c84a87ac9f42f75a097ceeb444ba7f851408c23c383d1b897638a8310dfd1979f3dc78c75180a5e25510cfbc2563a02557e6a8d9803662a1576e95d6165e9aa1751a909124aee60736efdde78ccef4458",
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"eventTLV": "fdd822bef8d695520151bc9fbd129be6231f46b0e137b26d8ff91910c0cb6d07f6924968657131d1fdd80a85000a010004abb84920cb647b1dc2bbbc6b1584af8d0a1a737fe0765d7414ebffcfd9c7057d14c56615db0684b6dff24683fa25905c84a87ac9f42f75a097ceeb444ba7f851408c23c383d1b897638a8310dfd1979f3dc78c75180a5e25510cfbc2563a02557e6a8d9803662a1576e95d6165e9aa1751a909124aee60736efdde78ccef44586578616d706c654c6172676552616e6765",
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"announcementTLV": "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",
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"attestations": null,
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"signatures": null,
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"outcomes": [
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[
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"0",
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"1",
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"2",
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"3",
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"4",
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"5",
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"6",
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"7",
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"8",
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"9"
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],
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[
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"0",
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"1",
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"2",
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"3",
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"4",
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"5",
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"6",
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"7",
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"8",
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"9"
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],
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[
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"0",
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"1",
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"2",
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"3",
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"4",
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"5",
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"6",
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"7",
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"8",
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"9"
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],
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[
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"+",
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"-"
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]
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]
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}
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bitcoin-s-cli signdigits fdd80a85000a010004abb84920cb647b1dc2bbbc6b1584af8d0a1a737fe0765d7414ebffcfd9c7057d14c56615db0684b6dff24683fa25905c84a87ac9f42f75a097ceeb444ba7f851408c23c383d1b897638a8310dfd1979f3dc78c75180a5e25510cfbc2563a02557e6a8d9803662a1576e95d6165e9aa1751a909124aee60736efdde78ccef4458 123
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[
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"abb84920cb647b1dc2bbbc6b1584af8d0a1a737fe0765d7414ebffcfd9c7057da391ea18b22f695bf8a34caa5a12acbdc917aea95990dbbf9568ca65676e6b7b",
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"14c56615db0684b6dff24683fa25905c84a87ac9f42f75a097ceeb444ba7f851edbab17bb86ee92834624bb7c59f490b3d03db4a4e2732eb56dde75740d5b674",
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"408c23c383d1b897638a8310dfd1979f3dc78c75180a5e25510cfbc2563a0255e4f528c5cc1a80f6aaabf2b672cea43488d277d90bfe37c9ac6f2a3cb1e7705a",
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"7e6a8d9803662a1576e95d6165e9aa1751a909124aee60736efdde78ccef4458bd578082b9e47be7d628f9c1ef43958d33f6b8b4fcae07c250f53111edc50ced"
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]
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```
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CURL:
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```
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$ curl --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "createdigitdecompevent", "params": ["exampleDigitDecomp", 1701917137, 10, true, 3, "units", 0]}' -H "Content-Type: application/json" http://127.0.0.1:9999/
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{"result":"fdd80a85000a010004a9670e21aeb8f0281980657c6c6cc9e94804b9cbff650cb5a9a1b20b8556cbcd6de7afbb816d2ff9be8ff250d8075a68300e51569c96ab998fec90a6e0bd1a6cf0eb12e0c33dae1c44281eb9057910d6a40cf76987e721d622dae13e79ce160739bf4ff7c0ce8408aa23dd619c5aa5e25d078d64cd198830e8e70436f5611b1e","error":null}
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$ curl --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getevent", "params": ["fdd80a85000a010004a9670e21aeb8f0281980657c6c6cc9e94804b9cbff650cb5a9a1b20b8556cbcd6de7afbb816d2ff9be8ff250d8075a68300e51569c96ab998fec90a6e0bd1a6cf0eb12e0c33dae1c44281eb9057910d6a40cf76987e721d622dae13e79ce160739bf4ff7c0ce8408aa23dd619c5aa5e25d078d64cd198830e8e70436f5611b1e"]}' -H "Content-Type: application/json" http://127.0.0.1:9999/
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{"result":{"nonces":["a9670e21aeb8f0281980657c6c6cc9e94804b9cbff650cb5a9a1b20b8556cbcd","6de7afbb816d2ff9be8ff250d8075a68300e51569c96ab998fec90a6e0bd1a6c","f0eb12e0c33dae1c44281eb9057910d6a40cf76987e721d622dae13e79ce1607","39bf4ff7c0ce8408aa23dd619c5aa5e25d078d64cd198830e8e70436f5611b1e"],"eventName":"exampleDigitDecomp","signingVersion":"Mock","maturationTime":"2023-12-07T02:45:37Z","announcementSignature":"c85357ebc6b2d3f68bc71bd0d9a3daf97b13f3911c6dc5b15141a8ca94ad610d4166c1f4f307f2ceffe33b1b081551ad5caa527d59285400b0da4b41a0ea0786","eventDescriptorTLV":"fdd80a85000a010004a9670e21aeb8f0281980657c6c6cc9e94804b9cbff650cb5a9a1b20b8556cbcd6de7afbb816d2ff9be8ff250d8075a68300e51569c96ab998fec90a6e0bd1a6cf0eb12e0c33dae1c44281eb9057910d6a40cf76987e721d622dae13e79ce160739bf4ff7c0ce8408aa23dd619c5aa5e25d078d64cd198830e8e70436f5611b1e","eventTLV":"fdd822bff8d695520151bc9fbd129be6231f46b0e137b26d8ff91910c0cb6d07f6924968657131d1fdd80a85000a010004a9670e21aeb8f0281980657c6c6cc9e94804b9cbff650cb5a9a1b20b8556cbcd6de7afbb816d2ff9be8ff250d8075a68300e51569c96ab998fec90a6e0bd1a6cf0eb12e0c33dae1c44281eb9057910d6a40cf76987e721d622dae13e79ce160739bf4ff7c0ce8408aa23dd619c5aa5e25d078d64cd198830e8e70436f5611b1e6578616d706c654c6172676552616e676531","announcementTLV":"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","attestations":null,"signatures":null,"outcomes":[["0","1","2","3","4","5","6","7","8","9"],["0","1","2","3","4","5","6","7","8","9"],["0","1","2","3","4","5","6","7","8","9"],["+","-"]]},"error":null}
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$ curl --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "signdigits", "params": ["fdd80a85000a010004a9670e21aeb8f0281980657c6c6cc9e94804b9cbff650cb5a9a1b20b8556cbcd6de7afbb816d2ff9be8ff250d8075a68300e51569c96ab998fec90a6e0bd1a6cf0eb12e0c33dae1c44281eb9057910d6a40cf76987e721d622dae13e79ce160739bf4ff7c0ce8408aa23dd619c5aa5e25d078d64cd198830e8e70436f5611b1e", 123]}' -H "Content-Type: application/json" http://127.0.0.1:9999/
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{"result":["a9670e21aeb8f0281980657c6c6cc9e94804b9cbff650cb5a9a1b20b8556cbcde5d22ede02c2e6e5df6a12367082a5cba26d37d22369dd8659388738b8ed7109","6de7afbb816d2ff9be8ff250d8075a68300e51569c96ab998fec90a6e0bd1a6c43224409c57c70319b8167db086e923344f867033551a3055d7e65563db295f2","f0eb12e0c33dae1c44281eb9057910d6a40cf76987e721d622dae13e79ce160796046de397a4d2f17c01c42815005f67d801b2c0e01d1923d4bbb13559cccf4a","39bf4ff7c0ce8408aa23dd619c5aa5e25d078d64cd198830e8e70436f5611b1e0346f7853fd0d4ab792896f46714b8964875ddf0db22c2b30f4cf4ad5b0052c9"],"error":null}
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```
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