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script.fromString.

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This commit is contained in:
Christopher Jeffrey 2016-06-16 02:03:17 -07:00
parent 9965f258e8
commit fca282acdb
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GPG Key ID: 8962AB9DE6666BBD
1 changed files with 9 additions and 40 deletions
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49
lib/bcoin/script.js
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@ -2216,8 +2216,8 @@ Script.prototype.indexOf = function indexOf(data) {
/**
* Check to see if a pushdata Buffer abides by minimaldata.
* @param {Buffer} value - Pushdata op from script code
* (must be from a deserialized script).
* @param {Buffer} data
* @param {Number} opcode
* @param {Number?} flags
* @returns {Boolean}
*/
@ -3820,14 +3820,14 @@ Script.fromString = function fromString(code) {
if (op[0] === '\'') {
assert(op[op.length - 1] === '\'', 'Unknown opcode.');
op = op.slice(1, -1);
op = new Buffer(op, 'ascii');
p.writeBytes(Script.encodePush(op));
op = Opcode.fromString(op);
p.writeBytes(op.toRaw());
continue;
}
if (/^-?\d+$/.test(op)) {
op = new bn(op, 10);
op = Script.array(op);
p.writeBytes(Script.fromArray([op]).raw);
op = Opcode.fromNumber(op);
p.writeBytes(op.toRaw());
continue;
}
assert(op.indexOf('0x') === 0, 'Unknown opcode.');
@ -3958,7 +3958,7 @@ Script.verify = function verify(input, witness, output, tx, i, flags) {
hadWitness = true;
// Input script must be exactly one push of the redeem script.
if (!utils.equal(input.raw, Script.encodePush(raw)))
if (!utils.equal(input.raw, Opcode.fromPush(raw).toRaw()))
throw new ScriptError('WITNESS_MALLEATED_P2SH');
// Verify the program in the redeem script
@ -4289,37 +4289,6 @@ Script.parseArray = function parseArray(code) {
return out;
};
/**
* Encode a single push op. Note that this
* will _always_ be a PUSHDATA. Analagous to
* bitcoind's `CScript() << vector`.
* @param {Buffer} data
* @returns {Buffer}
*/
Script.encodePush = function encodePush(data) {
var p = new BufferWriter();
if (data.length <= 0x4b) {
p.writeU8(data.length);
p.writeBytes(data);
} else if (data.length <= 0xff) {
p.writeU8(opcodes.OP_PUSHDATA1);
p.writeU8(data.length);
p.writeBytes(data);
} else if (data.length <= 0xffff) {
p.writeU8(opcodes.OP_PUSHDATA2);
p.writeU16(data.length);
p.writeBytes(data);
} else if (data.length <= 0xffffffff) {
p.writeU8(opcodes.OP_PUSHDATA4);
p.writeU32(data.length);
p.writeBytes(data);
} else {
throw new Error('Pushdata size too large.');
}
return p.render();
};
/**
* Calculate the size (including
* the opcode) of a pushdata.
@ -4456,7 +4425,7 @@ Opcode.fromString = function fromString(data, enc) {
if (typeof data === 'string')
data = new Buffer(data, enc);
return Opcode.fromPush(data);
return Opcode.fromData(data);
};
/**
@ -4478,7 +4447,7 @@ Opcode.from = function from(data) {
if (typeof data === 'string')
return Opcode.fromString(data, 'utf8');
return Opcode.fromPush(data);
return Opcode.fromData(data);
};
/**