36 lines
990 B
Nim
36 lines
990 B
Nim
import
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options,
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ethtypes, stew/byteutils, stint,
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eth/[common, keys, rlp], eth/common/transaction
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proc signTransaction(tr: var Transaction, pk: PrivateKey) =
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let h = tr.txHashNoSignature
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let s = sign(pk, SkMessage(h.data))
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var r = toRaw(s)
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let v = r[64]
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tr.R = fromBytesBE(UInt256, r.toOpenArray(0, 31))
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tr.S = fromBytesBE(UInt256, r.toOpenArray(32, 63))
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tr.V = v + 27 # TODO! Complete this
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proc encodeTransaction*(s: EthSend, pk: PrivateKey): string =
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var tr: Transaction
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tr.gasLimit = GasInt(s.gas.get.uint64)
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tr.gasPrice = s.gasPrice.get
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if s.to.isSome:
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tr.to = EthAddress(s.to.get)
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else:
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tr.isContractCreation = true
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if s.value.isSome:
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tr.value = s.value.get
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tr.accountNonce = uint64(s.nonce.get)
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# TODO: The following is a misdesign indication.
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# All the encodings should be done into seq[byte], not a hex string.
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if s.data.len != 0:
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tr.payload = hexToSeqByte(s.data)
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signTransaction(tr, pk)
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return rlp.encode(tr).toHex
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