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Add method to get address from pubkey script

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This commit is contained in:
Dominique Padiou 2023-06-16 11:22:47 +02:00 • committed by sstone
parent 72f0993a31
commit f9521b001e
3 changed files with 65 additions and 3 deletions
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50
eclair-core/src/main/scala/fr/acinq/eclair/package.scala
View file

@ -83,13 +83,13 @@ package object eclair {
* with a conservative minimum weight of 400, we get a minimum feerate_per-kw of 253
*
* see https://github.com/ElementsProject/lightning/pull/1251
**/
* */
val MinimumFeeratePerKw = 253
/**
* minimum relay fee rate, in satoshi per kilo
* bitcoin core uses virtual size and not the actual size in bytes, see above
**/
* */
val MinimumRelayFeeRate = 1000
/**
@ -150,6 +150,52 @@ package object eclair {
}
}
def addressFromPublicKeyScript(chainHash: ByteVector32, pubkeyScript: List[ScriptElt]): String = {
val p2pkhPrefix = chainHash match {
case Block.LivenetGenesisBlock.hash => Base58.Prefix.PubkeyAddress
case Block.TestnetGenesisBlock.hash | Block.RegtestGenesisBlock.hash => Base58.Prefix.PubkeyAddressTestnet
}
val p2shPrefix = chainHash match {
case Block.LivenetGenesisBlock.hash => Base58.Prefix.ScriptAddress
case Block.TestnetGenesisBlock.hash | Block.RegtestGenesisBlock.hash => Base58.Prefix.ScriptAddressTestnet
}
val hrp = chainHash match {
case Block.TestnetGenesisBlock.hash => "tb"
case Block.RegtestGenesisBlock.hash => "bcrt"
case Block.LivenetGenesisBlock.hash => "bc"
}
pubkeyScript match {
case OP_DUP :: OP_HASH160 :: OP_PUSHDATA(pubkeyHash, _) :: OP_EQUALVERIFY :: OP_CHECKSIG :: Nil if pubkeyHash.size == 20 =>
Base58Check.encode(p2pkhPrefix, pubkeyHash)
case OP_HASH160 :: OP_PUSHDATA(scriptHash, _) :: OP_EQUAL :: Nil if scriptHash.size == 20 =>
Base58Check.encode(p2shPrefix, scriptHash)
case op :: OP_PUSHDATA(witnessProgram, _) :: Nil if witnessProgram.length >= 2 && witnessProgram.length <= 40 =>
op match {
case OP_0 =>
require(witnessProgram.length == 20 || witnessProgram.length == 32, "witness v0 program length must be 20 or 32")
Bech32.encodeWitnessAddress(hrp, 0, witnessProgram)
case OP_1 => Bech32.encodeWitnessAddress(hrp, 1, witnessProgram)
case OP_2 => Bech32.encodeWitnessAddress(hrp, 2, witnessProgram)
case OP_3 => Bech32.encodeWitnessAddress(hrp, 3, witnessProgram)
case OP_4 => Bech32.encodeWitnessAddress(hrp, 4, witnessProgram)
case OP_5 => Bech32.encodeWitnessAddress(hrp, 5, witnessProgram)
case OP_6 => Bech32.encodeWitnessAddress(hrp, 6, witnessProgram)
case OP_7 => Bech32.encodeWitnessAddress(hrp, 7, witnessProgram)
case OP_8 => Bech32.encodeWitnessAddress(hrp, 8, witnessProgram)
case OP_9 => Bech32.encodeWitnessAddress(hrp, 9, witnessProgram)
case OP_10 => Bech32.encodeWitnessAddress(hrp, 10, witnessProgram)
case OP_11 => Bech32.encodeWitnessAddress(hrp, 11, witnessProgram)
case OP_12 => Bech32.encodeWitnessAddress(hrp, 12, witnessProgram)
case OP_13 => Bech32.encodeWitnessAddress(hrp, 13, witnessProgram)
case OP_14 => Bech32.encodeWitnessAddress(hrp, 14, witnessProgram)
case OP_15 => Bech32.encodeWitnessAddress(hrp, 15, witnessProgram)
case OP_16 => Bech32.encodeWitnessAddress(hrp, 16, witnessProgram)
}
}
}
def addressFromPublicKeyScript(chainHash: ByteVector32, pubkeyScript: ByteVector): String = addressFromPublicKeyScript(chainHash, Script.parse(pubkeyScript))
implicit class LongToBtcAmount(l: Long) {
// @formatter:off
def msat: MilliSatoshi = MilliSatoshi(l)

16
eclair-core/src/test/scala/fr/acinq/eclair/PackageSpec.scala
View file

@ -114,4 +114,20 @@ class PackageSpec extends AnyFunSuite {
assert(ShortChannelId(Long.MaxValue) < ShortChannelId(Long.MaxValue + 1))
}
test("compute addresses from pubkey scripts") {
Seq(
("0014d0b19277b0f76c9512f26d77573fd31a8fd15fc7", Block.TestnetGenesisBlock.hash, "tb1q6zceyaas7akf2yhjd4m4w07nr28azh78gw79kk"),
("00203287047df2aa7aade3f394790a9c9d6f9235943f48a012e8a9f2c3300ca4f2d1", Block.TestnetGenesisBlock.hash, "tb1qx2rsgl0j4fa2mclnj3us48yad7frt9plfzsp969f7tpnqr9y7tgsyprxej"),
("76a914b17deefe2feab87fef7221cf806bb8ca61f00fa188ac", Block.TestnetGenesisBlock.hash, "mwhSm2SHhRhd19KZyaQLgJyAtCLnkbzWbf"),
("a914d3cf9d04f4ecc36df8207b300e46bc6775fc84c087", Block.TestnetGenesisBlock.hash, "2NCZBGzKadAnLv1ijAqhrKavMuqvxqu18yY"),
("00145cb882efd643b7d63ae133e4d5e88e10bd5a20d7", Block.LivenetGenesisBlock.hash, "bc1qtjug9m7kgwmavwhpx0jdt6ywzz745gxhxwyn8u"),
("00208c2865c87ffd33fc5d698c7df9cf2d0fb39d93103c637a06dea32c848ebc3e1d", Block.LivenetGenesisBlock.hash, "bc1q3s5xtjrll5elchtf337lnnedp7eemycs833h5pk75vkgfr4u8cws3ytg02"),
("76a914536ffa992491508dca0354e52f32a3a7a679a53a88ac", Block.LivenetGenesisBlock.hash, "18cBEMRxXHqzWWCxZNtU91F5sbUNKhL5PX"),
("a91481b9ac6a59b53927da7277b5ad5460d781b365d987", Block.LivenetGenesisBlock.hash, "3DWwX7NYjnav66qygrm4mBCpiByjammaWy"),
("5120eceb3f3cdbad5bda395a32910ff6195a89cc5ec7fbf34705512da6f81963b156", Block.RegtestGenesisBlock.hash, "bcrt1pan4n70xm44da5w26x2gslaset2yuchk8l0e5wp239kn0sxtrk9tql9wc8z"),
("00144cae0f71665150b3ac0e0f2990222e99a0e470df", Block.RegtestGenesisBlock.hash, "bcrt1qfjhq7utx29gt8tqwpu5eqg3wnxswguxl57xpge")
).foreach { case (script, blockHash, address) =>
assert(addressFromPublicKeyScript(blockHash, ByteVector.fromValidHex(script)) == address)
}
}
}

2
pom.xml
View file

@ -68,7 +68,7 @@
<akka.version>2.3.14</akka.version>
<akka.http.version>10.0.11</akka.http.version>
<sttp.version>1.3.9</sttp.version>
<bitcoinlib.version>0.18.2</bitcoinlib.version>
<bitcoinlib.version>0.18.3</bitcoinlib.version>
<guava.version>24.0-android</guava.version>
<kamon.version>2.1.0</kamon.version>
</properties>