mirror of https://github.com/embarklabs/embark.git
refactor contract build method
This commit is contained in:
Iuri Matias
parent
215a823c35
commit
9a09e206ae
255
lib/contracts.js
255
lib/contracts.js
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@ -1,5 +1,6 @@
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var Compiler = require('./compiler.js');
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var toposort = require('toposort');
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var async = require('async');
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// TODO: create a contract object
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@ -17,129 +18,155 @@ ContractsManager.prototype.compileContracts = function() {
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return compiler.compile_solidity(this.contractFiles);
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};
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ContractsManager.prototype.build = function() {
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this.compiledContracts = this.compileContracts();
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var className;
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var contract;
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// go through config file first
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for(className in this.contractsConfig.contracts) {
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contract = this.contractsConfig.contracts[className];
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contract.className = className;
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contract.args = contract.args || [];
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this.contracts[className] = contract;
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}
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// compile contracts
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for(className in this.compiledContracts) {
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var compiledContract = this.compiledContracts[className];
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var contractConfig = this.contractsConfig.contracts[className];
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contract = this.contracts[className] || {className: className, args: []};
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contract.code = compiledContract.code;
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contract.runtimeBytecode = compiledContract.runtimeBytecode;
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contract.gasEstimates = compiledContract.gasEstimates;
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contract.functionHashes = compiledContract.functionHashes;
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contract.abiDefinition = compiledContract.abiDefinition;
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contract.gas = (contractConfig && contractConfig.gas) || this.contractsConfig.gas;
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if (contract.deploy === undefined) {
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contract.deploy = true;
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}
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if (contract.gas === 'auto') {
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var maxGas;
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if (contract.deploy) {
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maxGas = Math.max(contract.gasEstimates.creation[0], contract.gasEstimates.creation[1], 500000);
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} else {
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maxGas = 500000;
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ContractsManager.prototype.build = function(done) {
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var self = this;
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async.waterfall([
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function compileContracts(callback) {
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var compiler = new Compiler();
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try {
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self.compiledContracts = compiler.compile_solidity(self.contractFiles);
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callback();
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} catch(err) {
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callback(new Error(err.message));
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}
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// TODO: put a check so it doesn't go over the block limit
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var adjustedGas = Math.round(maxGas * 1.40);
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contract.gas = adjustedGas;
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}
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contract.gasPrice = contract.gasPrice || this.contractsConfig.gasPrice;
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contract.type = 'file';
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contract.className = className;
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},
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function prepareContractsFromConfig(callback) {
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var className, contract;
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for(className in self.contractsConfig.contracts) {
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contract = self.contractsConfig.contracts[className];
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this.contracts[className] = contract;
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}
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contract.className = className;
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contract.args = contract.args || [];
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// deal with special configs
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for(className in this.contracts) {
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contract = this.contracts[className];
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// if deploy intention is not specified default is true
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if (contract.deploy === undefined) {
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contract.deploy = true;
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}
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if (contract.instanceOf !== undefined) {
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var parentContractName = contract.instanceOf;
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var parentContract = this.contracts[parentContractName];
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if (parentContract === className) {
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this.logger.error(className + ": instanceOf is set to itself");
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continue;
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self.contracts[className] = contract;
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}
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callback();
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},
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function prepareContractsFromCompilation(callback) {
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var className, compiledContract, contractConfig, contract;
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var maxGas, adjustedGas;
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for(className in self.compiledContracts) {
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compiledContract = self.compiledContracts[className];
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contractConfig = self.contractsConfig.contracts[className];
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if (parentContract === undefined) {
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this.logger.error(className + ": couldn't find instanceOf contract " + parentContractName);
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continue;
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}
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contract = self.contracts[className] || {className: className, args: []};
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if (parentContract.args && parentContract.args.length > 0 && contract.args === []) {
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contract.args = parentContract.args;
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}
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contract.code = compiledContract.code;
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contract.runtimeBytecode = compiledContract.runtimeBytecode;
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contract.gasEstimates = compiledContract.gasEstimates;
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contract.functionHashes = compiledContract.functionHashes;
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contract.abiDefinition = compiledContract.abiDefinition;
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contract.gas = (contractConfig && contractConfig.gas) || self.contractsConfig.gas;
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if (contract.code !== undefined) {
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this.logger.error(className + " has code associated to it but it's configured as an instanceOf " + parentContractName);
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}
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contract.code = parentContract.code;
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contract.runtimeBytecode = parentContract.runtimeBytecode;
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contract.gasEstimates = parentContract.gasEstimates;
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contract.functionHashes = parentContract.functionHashes;
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contract.abiDefinition = parentContract.abiDefinition;
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contract.gas = contract.gas || parentContract.gas;
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contract.gasPrice = contract.gasPrice || parentContract.gasPrice;
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}
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}
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// remove contracts that don't have code
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for(className in this.contracts) {
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contract = this.contracts[className];
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if (contract.code === undefined) {
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this.logger.error(className + " has no code associated");
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delete this.contracts[className];
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}
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}
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this.logger.trace(this.contracts);
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// determine dependencies
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for(className in this.contracts) {
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contract = this.contracts[className];
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if (contract.args === []) continue;
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var ref = contract.args;
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for (var j = 0; j < ref.length; j++) {
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var arg = ref[j];
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if (arg[0] === "$") {
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if (this.contractDependencies[className] === void 0) {
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this.contractDependencies[className] = [];
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if (contract.deploy === undefined) {
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contract.deploy = true;
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}
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this.contractDependencies[className].push(arg.substr(1));
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}
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}
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}
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if (contract.gas === 'auto') {
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if (contract.deploy) {
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maxGas = Math.max(contract.gasEstimates.creation[0], contract.gasEstimates.creation[1], 500000);
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} else {
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maxGas = 500000;
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}
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// TODO: put a check so it doesn't go over the block limit
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adjustedGas = Math.round(maxGas * 1.40);
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contract.gas = adjustedGas;
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}
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contract.gasPrice = contract.gasPrice || self.contractsConfig.gasPrice;
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contract.type = 'file';
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contract.className = className;
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self.contracts[className] = contract;
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}
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callback();
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},
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function dealWithSpecialConfigs(callback) {
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var className, contract, parentContractName, parentContract;
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for(className in self.contracts) {
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contract = self.contracts[className];
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// if deploy intention is not specified default is true
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if (contract.deploy === undefined) {
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contract.deploy = true;
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}
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if (contract.instanceOf !== undefined) {
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parentContractName = contract.instanceOf;
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parentContract = self.contracts[parentContractName];
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if (parentContract === className) {
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self.logger.error(className + ": instanceOf is set to itself");
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continue;
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}
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if (parentContract === undefined) {
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slef.logger.error(className + ": couldn't find instanceOf contract " + parentContractName);
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continue;
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}
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if (parentContract.args && parentContract.args.length > 0 && contract.args === []) {
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contract.args = parentContract.args;
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}
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if (contract.code !== undefined) {
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self.logger.error(className + " has code associated to it but it's configured as an instanceOf " + parentContractName);
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}
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contract.code = parentContract.code;
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contract.runtimeBytecode = parentContract.runtimeBytecode;
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contract.gasEstimates = parentContract.gasEstimates;
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contract.functionHashes = parentContract.functionHashes;
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contract.abiDefinition = parentContract.abiDefinition;
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contract.gas = contract.gas || parentContract.gas;
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contract.gasPrice = contract.gasPrice || parentContract.gasPrice;
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}
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}
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callback();
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},
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function removeContractsWithNoCode(callback) {
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var className, contract;
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for(className in self.contracts) {
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contract = self.contracts[className];
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if (contract.code === undefined) {
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self.logger.error(className + " has no code associated");
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delete self.contracts[className];
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}
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}
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self.logger.trace(self.contracts);
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callback();
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},
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function determineDependencies(callback) {
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var className, contract;
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for(className in self.contracts) {
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contract = self.contracts[className];
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if (contract.args === []) continue;
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var ref = contract.args;
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for (var j = 0; j < ref.length; j++) {
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var arg = ref[j];
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if (arg[0] === "$") {
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if (self.contractDependencies[className] === void 0) {
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self.contractDependencies[className] = [];
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}
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self.contractDependencies[className].push(arg.substr(1));
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}
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}
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}
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callback();
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}
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], function(err, result) {
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self.logger.trace("finished".underline);
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if (err) {
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//self.logger.debug(err.stack);
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done(err);
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} else {
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done(null, self);
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}
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});
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};
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ContractsManager.prototype.getContract = function(className) {
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@ -143,12 +143,7 @@ var Embark = {
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contractsConfig: self.config.contractsConfig,
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logger: Embark.logger
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});
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try {
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contractsManager.build();
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callback(null, contractsManager);
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} catch(err) {
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callback(new Error(err.message));
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}
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contractsManager.build(callback);
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},
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function deployContracts(contractsManager, callback) {
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