101 lines
3.6 KiB
CoffeeScript
101 lines
3.6 KiB
CoffeeScript
module.exports = (grunt) ->
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web3 = require('web3')
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readYaml = require('read-yaml');
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grunt.registerTask "deploy_contracts", "deploy code", (env) =>
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blockchainConfig = readYaml.sync("config/blockchain.yml")
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contractsConfig = readYaml.sync("config/contracts.yml")[env || "development"]
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rpcHost = blockchainConfig[env || "development"].rpc_host
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rpcPort = blockchainConfig[env || "development"].rpc_port
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gasLimit = blockchainConfig[env || "development"].gas_limit || 500000
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gasPrice = blockchainConfig[env || "development"].gas_price || 10000000000000
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try
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web3.setProvider(new web3.providers.HttpProvider("http://#{rpcHost}:#{rpcPort}"))
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primaryAddress = web3.eth.coinbase
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web3.eth.defaultAccount = primaryAddress
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catch e
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grunt.log.writeln("==== can't connect to #{rpcHost}:#{rpcPort} check if an ethereum node is running")
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exit
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grunt.log.writeln("address is : #{primaryAddress}")
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result = "web3.setProvider(new web3.providers.HttpProvider('http://#{rpcHost}:#{rpcPort}'));"
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result += "web3.eth.defaultAccount = web3.eth.accounts[0];"
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contractDependencies = {}
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if contractsConfig?
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for className, options of contractsConfig
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continue unless options.args?
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for arg in options.args
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if arg[0] is "$"
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if contractDependencies[className] is undefined
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contractDependencies[className] = []
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contractDependencies[className].push(arg.substr(1))
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all_contracts = []
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contractDB = {}
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contractFiles = grunt.file.expand(grunt.config.get("deploy.contracts"))
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for contractFile in contractFiles
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source = grunt.file.read(contractFile)
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grunt.log.writeln("deploying #{contractFile}")
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compiled_contracts = web3.eth.compile.solidity(source)
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for className, contract of compiled_contracts
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all_contracts.push(className)
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contractDB[className] = contract
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all_contracts.sort (a,b) =>
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contract_1 = contractDependencies[a]? or []
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contract_2 = contractDependencies[b]? or []
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if a in contract_1 and b in contract_2
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grunt.log.writeln("looks like you have a circular dependency between #{a} and #{b}")
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exit
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else if b in contract_1
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1
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else if a in contract_2
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-1
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else
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0
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deployedContracts = {}
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for className in all_contracts
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contract = contractDB[className]
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contractGasLimit = contractsConfig?[className]?.gasLimit || gasLimit
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contractGasPrice = contractsConfig?[className]?.gasPrice || gasPrice
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args = contractsConfig?[className]?.args || []
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contractObject = web3.eth.contract(contract.info.abiDefinition)
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realArgs = []
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for arg in args
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if arg[0] is "$"
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realArgs.push(deployedContracts[arg.substr(1)])
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else
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realArgs.push(arg)
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contractParams = realArgs
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contractParams.push({from: primaryAddress, data: contract.code, gas: contractGasLimit, gasPrice: contractGasPrice})
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contractAddress = contractObject.new.apply(contractObject, contractParams).address
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deployedContracts[className] = contractAddress
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console.log "address is #{contractAddress}"
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grunt.log.writeln("deployed #{className} at #{contractAddress}")
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abi = JSON.stringify(contract.info.abiDefinition)
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result += "var #{className}Abi = #{abi};"
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result += "var #{className}Contract = web3.eth.contract(#{className}Abi);"
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result += "var #{className} = #{className}Contract.at('#{contractAddress}');";
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destFile = grunt.config.get("deploy.dest")
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grunt.file.write(destFile, result)
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