Merge pull request #941 from bitcoinjs/verr
add Transaction signature verify example
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2081b9148e
1 changed files with 22 additions and 0 deletions
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@ -216,4 +216,26 @@ describe('bitcoinjs-lib (transactions)', function () {
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})
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})
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})
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it('can verify Transaction signatures', function () {
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var txHex = '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'
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var keyPairs = [
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'032b4c06c06c3ec0b7fa29519dfa5aae193ee2cc35ca127f29f14ec605d62fb63d',
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'0216c92abe433106491bdeb4a261226f20f5a4ac86220cc6e37655aac6bf3c1f2a',
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'039e05da8b8ea4f9868ecebb25998c7701542986233f4401799551fbecf316b18f'
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].map(function (q) { return bitcoin.ECPair.fromPublicKeyBuffer(Buffer.from(q, 'hex')) })
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var tx = bitcoin.Transaction.fromHex(txHex)
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tx.ins.forEach(function (input, i) {
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var keyPair = keyPairs[i]
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var prevOutScript = bitcoin.address.toOutputScript(keyPair.getAddress())
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var scriptSig = bitcoin.script.pubKeyHash.input.decode(input.script)
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var ss = bitcoin.ECSignature.parseScriptSignature(scriptSig.signature)
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var hash = tx.hashForSignature(i, prevOutScript, ss.hashType)
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assert.strictEqual(keyPair.getPublicKeyBuffer().toString('hex'), scriptSig.pubKey.toString('hex'))
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assert.strictEqual(keyPair.verify(hash, ss.signature), true)
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})
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})
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})
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