mirror
/
go-ethereum
mirror of https://github.com/ethereum/go-ethereum
2
0
Fork 1
Code Issues Releases Wiki Activity

formatInput && formatOutput simplified

Browse Source
pull/296/head
Marek Kotewicz 10 years ago
parent b20e972bec
commit 589c4fb30f
5 changed files with 56 additions and 52 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 50
      dist/ethereum.js
  2. 6
      dist/ethereum.js.map
  3. 2
      dist/ethereum.min.js
  4. 40
      lib/abi.js
  5. 10
      lib/event.js

50
dist/ethereum.js vendored
Unescape View File

@ -28,6 +28,10 @@ var types = require('./types');
var c = require('./const');
var f = require('./formatters');
var displayTypeError = function (type) {
console.error('parser does not support type: ' + type);
};
/// This method should be called if we want to check if givent type is an array type
/// @returns true if it is, otherwise false
var arrayType = function (type) {
@ -44,31 +48,31 @@ var dynamicTypeBytes = function (type, value) {
var inputTypes = types.inputTypes();
/// Formats input params to bytes
/// @param abi contract method
/// @param abi contract method inputs
/// @param array of params that will be formatted to bytes
/// @returns bytes representation of input params
var toAbiInput = function (method, params) {
var formatInput = function (inputs, params) {
var bytes = "";
var padding = c.ETH_PADDING * 2;
/// first we iterate in search for dynamic
method.inputs.forEach(function (input, index) {
inputs.forEach(function (input, index) {
bytes += dynamicTypeBytes(input.type, params[index]);
});
method.inputs.forEach(function (input, i) {
inputs.forEach(function (input, i) {
var typeMatch = false;
for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);
typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
}
if (!typeMatch) {
console.error('input parser does not support type: ' + method.inputs[i].type);
displayTypeError(inputs[i].type);
}
var formatter = inputTypes[j - 1].format;
var toAppend = "";
if (arrayType(method.inputs[i].type))
if (arrayType(inputs[i].type))
toAppend = params[i].reduce(function (acc, curr) {
return acc + formatter(curr);
}, "");
@ -89,34 +93,34 @@ var dynamicBytesLength = function (type) {
var outputTypes = types.outputTypes();
/// Formats output bytes back to param list
/// @param contract abi method
/// @param contract abi method outputs
/// @param bytes representtion of output
/// @returns array of output params
var fromAbiOutput = function (method, output) {
var formatOutput = function (outs, output) {
output = output.slice(2);
var result = [];
var padding = c.ETH_PADDING * 2;
var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
var dynamicPartLength = outs.reduce(function (acc, curr) {
return acc + dynamicBytesLength(curr.type);
}, 0);
var dynamicPart = output.slice(0, dynamicPartLength);
output = output.slice(dynamicPartLength);
method.outputs.forEach(function (out, i) {
outs.forEach(function (out, i) {
var typeMatch = false;
for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
typeMatch = outputTypes[j].type(method.outputs[i].type);
typeMatch = outputTypes[j].type(outs[i].type);
}
if (!typeMatch) {
console.error('output parser does not support type: ' + method.outputs[i].type);
displayTypeError(outs[i].type);
}
var formatter = outputTypes[j - 1].format;
if (arrayType(method.outputs[i].type)) {
if (arrayType(outs[i].type)) {
var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
dynamicPart = dynamicPart.slice(padding);
var array = [];
@ -126,7 +130,7 @@ var fromAbiOutput = function (method, output) {
}
result.push(array);
}
else if (types.prefixedType('string')(method.outputs[i].type)) {
else if (types.prefixedType('string')(outs[i].type)) {
dynamicPart = dynamicPart.slice(padding);
result.push(formatter(output.slice(0, padding)));
output = output.slice(padding);
@ -150,7 +154,7 @@ var inputParser = function (json) {
var impl = function () {
var params = Array.prototype.slice.call(arguments);
return toAbiInput(method, params);
return formatInput(method.inputs, params);
};
if (parser[displayName] === undefined) {
@ -173,7 +177,7 @@ var outputParser = function (json) {
var typeName = utils.extractTypeName(method.name);
var impl = function (output) {
return fromAbiOutput(method, output);
return formatOutput(method.outputs, output);
};
if (parser[displayName] === undefined) {
@ -195,6 +199,8 @@ var signatureFromAscii = function (name) {
module.exports = {
inputParser: inputParser,
outputParser: outputParser,
formatInput: formatInput,
formatOutput: formatOutput,
signatureFromAscii: signatureFromAscii
};
@ -485,19 +491,15 @@ var inputWithName = function (inputs, name) {
var indexedParamsToTopics = function (event, indexed) {
// sort keys?
return Object.keys(indexed).map(function (key) {
// TODO: simplify this!
var parser = abi.inputParser([{
name: 'test',
inputs: [inputWithName(event.inputs, key)]
}]);
var inputs = [inputWithName(event.inputs, key)];
var value = indexed[key];
if (value instanceof Array) {
return value.map(function (v) {
return parser.test(v);
return abi.formatInput(inputs, [v]);
});
}
return parser.test(value);
return abi.formatInput(inputs, [value]);
});
};

6
dist/ethereum.js.map vendored
View File

File diff suppressed because one or more lines are too long

2
dist/ethereum.min.js vendored
View File

File diff suppressed because one or more lines are too long

40
lib/abi.js
Unescape View File

@ -27,6 +27,10 @@ var types = require('./types');
var c = require('./const');
var f = require('./formatters');
var displayTypeError = function (type) {
console.error('parser does not support type: ' + type);
};
/// This method should be called if we want to check if givent type is an array type
/// @returns true if it is, otherwise false
var arrayType = function (type) {
@ -43,31 +47,31 @@ var dynamicTypeBytes = function (type, value) {
var inputTypes = types.inputTypes();
/// Formats input params to bytes
/// @param abi contract method
/// @param abi contract method inputs
/// @param array of params that will be formatted to bytes
/// @returns bytes representation of input params
var toAbiInput = function (method, params) {
var formatInput = function (inputs, params) {
var bytes = "";
var padding = c.ETH_PADDING * 2;
/// first we iterate in search for dynamic
method.inputs.forEach(function (input, index) {
inputs.forEach(function (input, index) {
bytes += dynamicTypeBytes(input.type, params[index]);
});
method.inputs.forEach(function (input, i) {
inputs.forEach(function (input, i) {
var typeMatch = false;
for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);
typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
}
if (!typeMatch) {
console.error('input parser does not support type: ' + method.inputs[i].type);
displayTypeError(inputs[i].type);
}
var formatter = inputTypes[j - 1].format;
var toAppend = "";
if (arrayType(method.inputs[i].type))
if (arrayType(inputs[i].type))
toAppend = params[i].reduce(function (acc, curr) {
return acc + formatter(curr);
}, "");
@ -88,34 +92,34 @@ var dynamicBytesLength = function (type) {
var outputTypes = types.outputTypes();
/// Formats output bytes back to param list
/// @param contract abi method
/// @param contract abi method outputs
/// @param bytes representtion of output
/// @returns array of output params
var fromAbiOutput = function (method, output) {
var formatOutput = function (outs, output) {
output = output.slice(2);
var result = [];
var padding = c.ETH_PADDING * 2;
var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
var dynamicPartLength = outs.reduce(function (acc, curr) {
return acc + dynamicBytesLength(curr.type);
}, 0);
var dynamicPart = output.slice(0, dynamicPartLength);
output = output.slice(dynamicPartLength);
method.outputs.forEach(function (out, i) {
outs.forEach(function (out, i) {
var typeMatch = false;
for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
typeMatch = outputTypes[j].type(method.outputs[i].type);
typeMatch = outputTypes[j].type(outs[i].type);
}
if (!typeMatch) {
console.error('output parser does not support type: ' + method.outputs[i].type);
displayTypeError(outs[i].type);
}
var formatter = outputTypes[j - 1].format;
if (arrayType(method.outputs[i].type)) {
if (arrayType(outs[i].type)) {
var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
dynamicPart = dynamicPart.slice(padding);
var array = [];
@ -125,7 +129,7 @@ var fromAbiOutput = function (method, output) {
}
result.push(array);
}
else if (types.prefixedType('string')(method.outputs[i].type)) {
else if (types.prefixedType('string')(outs[i].type)) {
dynamicPart = dynamicPart.slice(padding);
result.push(formatter(output.slice(0, padding)));
output = output.slice(padding);
@ -149,7 +153,7 @@ var inputParser = function (json) {
var impl = function () {
var params = Array.prototype.slice.call(arguments);
return toAbiInput(method, params);
return formatInput(method.inputs, params);
};
if (parser[displayName] === undefined) {
@ -172,7 +176,7 @@ var outputParser = function (json) {
var typeName = utils.extractTypeName(method.name);
var impl = function (output) {
return fromAbiOutput(method, output);
return formatOutput(method.outputs, output);
};
if (parser[displayName] === undefined) {
@ -194,6 +198,8 @@ var signatureFromAscii = function (name) {
module.exports = {
inputParser: inputParser,
outputParser: outputParser,
formatInput: formatInput,
formatOutput: formatOutput,
signatureFromAscii: signatureFromAscii
};

10
lib/event.js
Unescape View File

@ -38,19 +38,15 @@ var inputWithName = function (inputs, name) {
var indexedParamsToTopics = function (event, indexed) {
// sort keys?
return Object.keys(indexed).map(function (key) {
// TODO: simplify this!
var parser = abi.inputParser([{
name: 'test',
inputs: [inputWithName(event.inputs, key)]
}]);
var inputs = [inputWithName(event.inputs, key)];
var value = indexed[key];
if (value instanceof Array) {
return value.map(function (v) {
return parser.test(v);
return abi.formatInput(inputs, [v]);
});
}
return parser.test(value);
return abi.formatInput(inputs, [value]);
});
};

Write Preview
Loading…
Cancel
Save