embark-area-51/tasks/deploy.coffee

101 lines
3.6 KiB
CoffeeScript

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