forked from cerc-io/plugeth
output parser string support
This commit is contained in:
Marek Kotewicz
parent
b457e88cd0
commit
1e2c1ae98a
103
dist/ethereum.js
vendored
103
dist/ethereum.js
vendored
@ -158,6 +158,7 @@ var toAbiInput = function (json, methodName, params) {
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var method = json[index];
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var padding = ETH_PADDING * 2;
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/// first we iterate in search for dynamic
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method.inputs.forEach(function (input, index) {
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bytes += dynamicTypeBytes(input.type, params[index]);
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});
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@ -186,13 +187,9 @@ var toAbiInput = function (json, methodName, params) {
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return bytes;
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};
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/// Setups output formaters for solidity types
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/// @returns an array of output formatters
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var setupOutputTypes = function () {
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/// Formats input right-aligned input bytes to int
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/// @returns right-aligned input bytes formatted to int
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var formatInt = function (value) {
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/// Formats input right-aligned input bytes to int
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/// @returns right-aligned input bytes formatted to int
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var formatOutputInt = function (value) {
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// check if it's negative number
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// it it is, return two's complement
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var firstBit = new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1);
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@ -200,43 +197,53 @@ var setupOutputTypes = function () {
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return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
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}
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return new BigNumber(value, 16);
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};
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};
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/// Formats big right-aligned input bytes to uint
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/// @returns right-aligned input bytes formatted to uint
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var formatUInt = function (value) {
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/// Formats big right-aligned input bytes to uint
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/// @returns right-aligned input bytes formatted to uint
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var formatOutputUInt = function (value) {
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return new BigNumber(value, 16);
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};
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};
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/// @returns right-aligned input bytes formatted to hex
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var formatHash = function (value) {
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/// @returns right-aligned input bytes formatted to hex
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var formatOutputHash = function (value) {
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return "0x" + value;
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};
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};
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/// @returns right-aligned input bytes formatted to bool
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var formatBool = function (value) {
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/// @returns right-aligned input bytes formatted to bool
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var formatOutputBool = function (value) {
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return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
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};
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};
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/// @returns left-aligned input bytes formatted to ascii string
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var formatString = function (value) {
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/// @returns left-aligned input bytes formatted to ascii string
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var formatOutputString = function (value) {
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return web3.toAscii(value);
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};
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};
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/// @returns right-aligned input bytes formatted to address
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var formatAddress = function (value) {
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/// @returns right-aligned input bytes formatted to address
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var formatOutputAddress = function (value) {
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return "0x" + value.slice(value.length - 40, value.length);
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};
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};
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var dynamicBytesLength = function (type) {
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if (arrayType(type) || prefixedType('string')(type))
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return ETH_PADDING * 2;
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return 0;
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};
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/// Setups output formaters for solidity types
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/// @returns an array of output formatters
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var setupOutputTypes = function () {
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return [
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{ type: prefixedType('uint'), format: formatUInt },
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{ type: prefixedType('int'), format: formatInt },
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{ type: prefixedType('hash'), format: formatHash },
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{ type: prefixedType('string'), format: formatString },
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{ type: prefixedType('real'), format: formatInt },
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{ type: prefixedType('ureal'), format: formatInt },
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{ type: namedType('address'), format: formatAddress },
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{ type: namedType('bool'), format: formatBool }
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{ type: prefixedType('uint'), format: formatOutputUInt },
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{ type: prefixedType('int'), format: formatOutputInt },
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{ type: prefixedType('hash'), format: formatOutputHash },
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{ type: prefixedType('string'), format: formatOutputString },
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{ type: prefixedType('real'), format: formatOutputInt },
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{ type: prefixedType('ureal'), format: formatOutputInt },
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{ type: namedType('address'), format: formatOutputAddress },
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{ type: namedType('bool'), format: formatOutputBool }
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];
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};
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@ -259,22 +266,44 @@ var fromAbiOutput = function (json, methodName, output) {
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var result = [];
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var method = json[index];
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var padding = ETH_PADDING * 2;
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for (var i = 0; i < method.outputs.length; i++) {
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var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
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return acc + dynamicBytesLength(curr.type);
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}, 0);
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var dynamicPart = output.slice(0, dynamicPartLength);
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output = output.slice(dynamicPartLength);
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method.outputs.forEach(function (out, i) {
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var typeMatch = false;
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for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
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typeMatch = outputTypes[j].type(method.outputs[i].type);
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}
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if (!typeMatch) {
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// not found output parsing
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console.error('output parser does not support type: ' + method.outputs[i].type);
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continue;
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}
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var res = output.slice(0, padding);
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var formatter = outputTypes[j - 1].format;
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result.push(formatter ? formatter(res) : ("0x" + res));
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if (arrayType(method.outputs[i].type)) {
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var size = formatOutputUInt(dynamicPart.slice(0, padding));
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dynamicPart = dynamicPart.slice(padding);
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var array = [];
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for (var k = 0; k < size; k++) {
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array.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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}
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result.push(array);
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}
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else if (prefixedType('string')(method.outputs[i].type)) {
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dynamicPart = dynamicPart.slice(padding);
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result.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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} else {
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result.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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}
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});
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return result;
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};
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4
dist/ethereum.js.map
vendored
4
dist/ethereum.js.map
vendored
File diff suppressed because one or more lines are too long
2
dist/ethereum.min.js
vendored
2
dist/ethereum.min.js
vendored
File diff suppressed because one or more lines are too long
102
lib/abi.js
102
lib/abi.js
@ -186,13 +186,9 @@ var toAbiInput = function (json, methodName, params) {
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return bytes;
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};
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/// Setups output formaters for solidity types
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/// @returns an array of output formatters
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var setupOutputTypes = function () {
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/// Formats input right-aligned input bytes to int
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/// @returns right-aligned input bytes formatted to int
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var formatInt = function (value) {
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/// Formats input right-aligned input bytes to int
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/// @returns right-aligned input bytes formatted to int
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var formatOutputInt = function (value) {
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// check if it's negative number
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// it it is, return two's complement
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var firstBit = new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1);
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@ -200,43 +196,53 @@ var setupOutputTypes = function () {
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return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
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}
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return new BigNumber(value, 16);
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};
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};
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/// Formats big right-aligned input bytes to uint
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/// @returns right-aligned input bytes formatted to uint
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var formatUInt = function (value) {
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/// Formats big right-aligned input bytes to uint
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/// @returns right-aligned input bytes formatted to uint
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var formatOutputUInt = function (value) {
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return new BigNumber(value, 16);
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};
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};
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/// @returns right-aligned input bytes formatted to hex
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var formatHash = function (value) {
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/// @returns right-aligned input bytes formatted to hex
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var formatOutputHash = function (value) {
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return "0x" + value;
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};
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};
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/// @returns right-aligned input bytes formatted to bool
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var formatBool = function (value) {
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/// @returns right-aligned input bytes formatted to bool
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var formatOutputBool = function (value) {
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return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
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};
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};
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/// @returns left-aligned input bytes formatted to ascii string
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var formatString = function (value) {
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/// @returns left-aligned input bytes formatted to ascii string
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var formatOutputString = function (value) {
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return web3.toAscii(value);
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};
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};
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/// @returns right-aligned input bytes formatted to address
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var formatAddress = function (value) {
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/// @returns right-aligned input bytes formatted to address
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var formatOutputAddress = function (value) {
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return "0x" + value.slice(value.length - 40, value.length);
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};
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};
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var dynamicBytesLength = function (type) {
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if (arrayType(type) || prefixedType('string')(type))
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return ETH_PADDING * 2;
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return 0;
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};
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/// Setups output formaters for solidity types
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/// @returns an array of output formatters
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var setupOutputTypes = function () {
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return [
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{ type: prefixedType('uint'), format: formatUInt },
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{ type: prefixedType('int'), format: formatInt },
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{ type: prefixedType('hash'), format: formatHash },
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{ type: prefixedType('string'), format: formatString },
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{ type: prefixedType('real'), format: formatInt },
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{ type: prefixedType('ureal'), format: formatInt },
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{ type: namedType('address'), format: formatAddress },
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{ type: namedType('bool'), format: formatBool }
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{ type: prefixedType('uint'), format: formatOutputUInt },
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{ type: prefixedType('int'), format: formatOutputInt },
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{ type: prefixedType('hash'), format: formatOutputHash },
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{ type: prefixedType('string'), format: formatOutputString },
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{ type: prefixedType('real'), format: formatOutputInt },
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{ type: prefixedType('ureal'), format: formatOutputInt },
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{ type: namedType('address'), format: formatOutputAddress },
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{ type: namedType('bool'), format: formatOutputBool }
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];
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};
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@ -259,22 +265,44 @@ var fromAbiOutput = function (json, methodName, output) {
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var result = [];
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var method = json[index];
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var padding = ETH_PADDING * 2;
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for (var i = 0; i < method.outputs.length; i++) {
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var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
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return acc + dynamicBytesLength(curr.type);
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}, 0);
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var dynamicPart = output.slice(0, dynamicPartLength);
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output = output.slice(dynamicPartLength);
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method.outputs.forEach(function (out, i) {
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var typeMatch = false;
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for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
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typeMatch = outputTypes[j].type(method.outputs[i].type);
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}
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if (!typeMatch) {
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// not found output parsing
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console.error('output parser does not support type: ' + method.outputs[i].type);
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continue;
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}
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var res = output.slice(0, padding);
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var formatter = outputTypes[j - 1].format;
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result.push(formatter ? formatter(res) : ("0x" + res));
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if (arrayType(method.outputs[i].type)) {
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var size = formatOutputUInt(dynamicPart.slice(0, padding));
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dynamicPart = dynamicPart.slice(padding);
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var array = [];
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for (var k = 0; k < size; k++) {
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array.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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}
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result.push(array);
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}
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else if (prefixedType('string')(method.outputs[i].type)) {
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dynamicPart = dynamicPart.slice(padding);
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result.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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} else {
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result.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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}
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});
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return result;
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};
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@ -396,8 +396,18 @@ describe('abi', function() {
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var parser = abi.outputParser(d);
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// then
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assert.equal(parser.test("0x68656c6c6f000000000000000000000000000000000000000000000000000000")[0], 'hello');
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assert.equal(parser.test("0x776f726c64000000000000000000000000000000000000000000000000000000")[0], 'world');
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assert.equal(
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parser.test("0x" +
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"0000000000000000000000000000000000000000000000000000000000000005" +
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"68656c6c6f000000000000000000000000000000000000000000000000000000")[0],
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'hello'
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);
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assert.equal(
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parser.test("0x" +
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"0000000000000000000000000000000000000000000000000000000000000005" +
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"776f726c64000000000000000000000000000000000000000000000000000000")[0],
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'world'
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);
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});
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@ -644,12 +654,21 @@ describe('abi', function() {
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// then
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assert.equal(
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parser.test("0x68656c6c6f000000000000000000000000000000000000000000000000000000776f726c64000000000000000000000000000000000000000000000000000000")[0],
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parser.test("0x" +
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"0000000000000000000000000000000000000000000000000000000000000005" +
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"0000000000000000000000000000000000000000000000000000000000000005" +
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"68656c6c6f000000000000000000000000000000000000000000000000000000" +
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"776f726c64000000000000000000000000000000000000000000000000000000")[0],
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'hello'
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);
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assert.equal(
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parser.test("0x68656c6c6f000000000000000000000000000000000000000000000000000000776f726c64000000000000000000000000000000000000000000000000000000")[1],
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'world');
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parser.test("0x" +
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"0000000000000000000000000000000000000000000000000000000000000005" +
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"0000000000000000000000000000000000000000000000000000000000000005" +
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"68656c6c6f000000000000000000000000000000000000000000000000000000" +
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"776f726c64000000000000000000000000000000000000000000000000000000")[1],
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'world'
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);
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});
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@ -689,7 +708,11 @@ describe('abi', function() {
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//then
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assert.equal(parser.test("0000000000000000000000000000000000000000000000000000000000000001")[0], 1);
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assert.equal(parser.test2("0x68656c6c6f000000000000000000000000000000000000000000000000000000")[0], "hello");
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assert.equal(parser.test2("0x" +
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"0000000000000000000000000000000000000000000000000000000000000005" +
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"68656c6c6f000000000000000000000000000000000000000000000000000000")[0],
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"hello"
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);
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});
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