33 lines
642 B
JavaScript
33 lines
642 B
JavaScript
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// {pubKey} OP_CHECKSIG
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var bscript = require('../../script')
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var typeforce = require('typeforce')
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var OPS = require('../../opcodes.json')
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function check (script) {
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var chunks = bscript.decompile(script)
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return chunks.length === 2 &&
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bscript.isCanonicalPubKey(chunks[0]) &&
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chunks[1] === OPS.OP_CHECKSIG
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}
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function encode (pubKey) {
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typeforce(bscript.isCanonicalPubKey, pubKey)
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return bscript.compile([pubKey, OPS.OP_CHECKSIG])
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}
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function decode (buffer) {
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var chunks = bscript.decompile(buffer)
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typeforce(check, chunks)
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return chunks[0]
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}
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module.exports = {
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check: check,
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decode: decode,
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encode: encode
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}
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