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49 lines
1.1 KiB
49 lines
1.1 KiB
Bitcoin.Address = function (bytes) {
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if ("string" == typeof bytes) {
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bytes = Bitcoin.Address.decodeString(bytes);
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}
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this.hash = bytes;
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this.version = 0x00;
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};
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Bitcoin.Address.prototype.toString = function () {
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// Get a copy of the hash
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var hash = this.hash.slice(0);
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// Version
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hash.unshift(this.version);
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var checksum = Crypto.SHA256(Crypto.SHA256(hash, {asBytes: true}), {asBytes: true});
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var bytes = hash.concat(checksum.slice(0,4));
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return Bitcoin.Base58.encode(bytes);
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};
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Bitcoin.Address.prototype.getHashBase64 = function () {
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return Crypto.util.bytesToBase64(this.hash);
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};
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Bitcoin.Address.decodeString = function (string) {
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var bytes = Bitcoin.Base58.decode(string);
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var hash = bytes.slice(0, 21);
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var checksum = Crypto.SHA256(Crypto.SHA256(hash, {asBytes: true}), {asBytes: true});
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if (checksum[0] != bytes[21] ||
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checksum[1] != bytes[22] ||
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checksum[2] != bytes[23] ||
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checksum[3] != bytes[24]) {
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throw "Checksum validation failed!";
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}
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var version = hash.shift();
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if (version != 0) {
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throw "Version "+version+" not supported!";
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}
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return hash;
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};
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