33 lines
609 B
JavaScript
33 lines
609 B
JavaScript
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// OP_0 {scriptHash}
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var bscript = require('../../script')
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var types = require('../../types')
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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 buffer = bscript.compile(script)
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return buffer.length === 34 &&
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buffer[0] === OPS.OP_0 &&
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buffer[1] === 0x20
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}
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function encode (scriptHash) {
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typeforce(types.Hash256bit, scriptHash)
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return bscript.compile([OPS.OP_0, scriptHash])
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}
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function decode (buffer) {
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typeforce(check, buffer)
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return buffer.slice(2)
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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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