58 lines
2.5 KiB
CoffeeScript
58 lines
2.5 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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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 || 100000
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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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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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#TODO: refactor this into a common method
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if compiled_contracts.info is undefined
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for className, contract of compiled_contracts
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contractAddress = web3.eth.sendTransaction({from: primaryAddress, data: contract.code, gas: gasLimit})
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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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else
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#for geth < 0.9.23
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contract = compiled_contracts
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contractAddress = web3.eth.sendTransaction({from: primaryAddress, data: contract.code, gas: gasLimit})
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grunt.log.writeln("deployed at #{contractAddress}")
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abi = JSON.stringify(contract.info.abiDefinition)
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className = source.match(/contract (\w+)(?=\s[is|{])/g)[0].replace("contract ","")
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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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