Cannot deploy HelloWorld contract to my network (testrpc)
Question
pardon my basic question, bud what else do i need to deploy my contract?
I have simple Hello World contract defined as follows HelloWorld.sol:
pragma solidity ^0.4.17;
contract HelloWorld{
function sayHello() internal pure returns(string){
return("Hello 2018!");
}
}
Initial migrations.js:
var Migrations = artifacts.require("./Migrations.sol");
var HelloWorld = artifacts.require("./HelloWorld.sol");
module.exports = function(deployer) {
deployer.deploy(Migrations);
deployer.deploy(HelloWorld);
};
And finally since im using truffle, truffle.js:
module.exports = {
networks: {
development: {
host: "localhost",
port: 8545,
network_id: "*" // Match any network id
}
}
};
When I run commands:
truffle compile
truffle migrate
Then go to console:
truffle console
and i use js:
var hw
HelloWorld.deployed().then(function(deployed){hw=deployed;});
I get
Error: HelloWorld has not been deployed to detected network (network/artifact mismatch) at C:\\Users\\Kofola\\AppData\\Roaming\\npm\\node_modules\\truffle\\build\\cli.bundled.js:317116:17 at at process._tickDomainCallback (internal/process/next_tick.js:228:7)
How do i correctly deploy my contract and test its method?
I should also add that my testrpc server is running at 8545 and everything seems to be alright. (all of this is running on localhost) I have tried to specify id of the network, i explicitly set id and specified in truffle.js, still not working. I also tried to change visibility of the function.
Edit "Output of truffle commands":
Contract detail:
Console output trail to desired result:
PS C:\Users\Kofola\BlockChain\EthereumHelloWorld> truffle compile
PS C:\Users\Kofola\BlockChain\EthereumHelloWorld> truffle migrate
Using network 'development'.
Network up to date.
PS C:\Users\Kofola\BlockChain\EthereumHelloWorld> truffle console
truffle(development)> var hw
undefined
truffle(development)> HelloWorld.deployed().then(function(deployed){hw=deployed;});
undefined
truffle(development)> hw.sayHello.call()
''
truffle(development)> hw.SayHello.call()
TypeError: Cannot read property 'call' of undefined
at evalmachine.<anonymous>:1:13
at ContextifyScript.Script.runInContext (vm.js:59:29)
at Object.runInContext (vm.js:120:6)
at Console.interpret (C:\Users\Kofola\AppData\Roaming\npm\node_modules\truffle\build\cli.bundled.js:202629:17)
at ReplManager.interpret (C:\Users\Kofola\AppData\Roaming\npm\node_modules\truffle\build\cli.bundled.js:203345:18)
at bound (domain.js:301:14)
at REPLServer.runBound [as eval] (domain.js:314:12)
at REPLServer.onLine (repl.js:441:10)
at emitOne (events.js:116:13)
at REPLServer.emit (events.js:211:7)
truffle(development)> hw.sayHello.call()
''
truffle(development)> .exit
PS C:\Users\Kofola\BlockChain\EthereumHelloWorld> truffle migrate --reset
Could not connect to your Ethereum client. Please check that your Ethereum client:
- is running
- is accepting RPC connections (i.e., "--rpc" option is used in geth)
- is accessible over the network
- is properly configured in your Truffle configuration file (truffle.js)
PS C:\Users\Kofola\BlockChain\EthereumHelloWorld> truffle compile
Compiling .\contracts\HelloWorld.sol...
Compiling .\contracts\Migrations.sol...
Compilation warnings encountered:
/C/Users/Kofola/BlockChain/EthereumHelloWorld/contracts/HelloWorld.sol:5:5: Warning: No visibility specified. Defaulting to "public".
function sayHello() returns(string){
^
Spanning multiple lines.
,/C/Users/Kofola/BlockChain/EthereumHelloWorld/contracts/HelloWorld.sol:5:5: Warning: Function state mutability can be restricted to pure
function sayHello() returns(string){
^
Spanning multiple lines.
Writing artifacts to .\build\contracts
PS C:\Users\Kofola\BlockChain\EthereumHelloWorld> truffle migrate --reset
Using network 'development'.
Running migration: 1_initial_migration.js
Deploying Migrations...
... 0x1ed08bc4bcbb9db244acd9edfe4cfc71ca1675d069e4f17dcb5780f1ae496da0
Migrations: 0x2bcb6d8aade2239b14c17374d631be59c2847175
Deploying HelloWorld...
... 0x0195732cdb2a7fae8896be02a86403c88fd45c5e793a0ab1de7b3fdf6a086a67
HelloWorld: 0xf169c021288e56a0b9739fd959fe305a7f67f500
Saving successful migration to network...
... 0xed919bb06a5a83fbf7e8bae8b99ec2f398979b51bc3f41c152ef621e1c799561
Saving artifacts...
PS C:\Users\Kofola\BlockChain\EthereumHelloWorld> truffle migrate
Using network 'development'.
Network up to date.
PS C:\Users\Kofola\BlockChain\EthereumHelloWorld> truffle console
truffle(development)> var hw = HelloWorld.at(HelloWorld.address);
undefined
truffle(development)> hw.address
'0xf169c021288e56a0b9739fd959fe305a7f67f500'
truffle(development)> hw.sayHello();
{ tx: '0x694a532cffb398dd316c53c6ac44adde7d8a7c00e305bcd8b39746fb3d20acdc',
receipt:
{ transactionHash: '0x694a532cffb398dd316c53c6ac44adde7d8a7c00e305bcd8b39746fb3d20acdc',
transactionIndex: 0,
blockHash: '0xdfd7a8637904ec0ed282acac34e2da4929f410325f7f37744955ce5b3195cc8b',
blockNumber: 4,
gasUsed: 21934,
cumulativeGasUsed: 21934,
contractAddress: null,
logs: [],
status: 1 },
logs: [] }
truffle(development)> hw
TruffleContract {
constructor:
{ [Function: TruffleContract]
_static_methods:
{ setProvider: [Function: setProvider],
new: [Function: new],
at: [Function: at],
deployed: [Function: deployed],
defaults: [Function: defaults],
hasNetwork: [Function: hasNetwork],
isDeployed: [Function: isDeployed],
detectNetwork: [Function: detectNetwork],
setNetwork: [Function: setNetwork],
resetAddress: [Function: resetAddress],
link: [Function: link],
clone: [Function: clone],
addProp: [Function: addProp],
toJSON: [Function: toJSON] },
_properties:
{ contract_name: [Object],
contractName: [Object],
abi: [Object],
network: [Function: network],
networks: [Function: networks],
address: [Object],
links: [Function: links],
events: [Function: events],
binary: [Function: binary],
deployedBinary: [Function: deployedBinary],
unlinked_binary: [Object],
bytecode: [Object],
deployedBytecode: [Object],
sourceMap: [Object],
deployedSourceMap: [Object],
source: [Object],
sourcePath: [Object],
ast: [Object],
compiler: [Object],
schema_version: [Function: schema_version],
schemaVersion: [Function: schemaVersion],
updated_at: [Function: updated_at],
updatedAt: [Function: updatedAt] },
_property_values: {},
_json:
{ contractName: 'HelloWorld',
abi: [Array],
bytecode: '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',
deployedBytecode: '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',
sourceMap: '28:114:0:-;;;;;;;;;;;;;;;;;',
deployedSourceMap: '28:114:0:-;;;;;;;;;;;;;;;;;;;;;;;;62:75;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23:1:-1;8:100;33:3;30:1;27:2;8:100;;;99:1;94:3;90;84:5;80:1;75:3;71;64:6;52:2;49:1;45:3;40:15;;8:100;;;12:14;3:109;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;62:75:0;90:6;;:::i;:::-;108:21;;;;;;;;;;;;;;;;;;;;62:75;:::o;28:114::-;;;;;;;;;;;;;;;:::o',
source: 'pragma solidity ^0.4.17;\r\n\r\ncontract HelloWorld{ \r\n \r\n function sayHello() returns(string){\r\n return("Hello 2018!");\r\n
}\r\n\r\n}',
sourcePath: 'C:\\Users\\Kofola\\BlockChain\\EthereumHelloWorld\\contracts\\HelloWorld.sol',
ast: [Object],
compiler: [Object],
networks: [Object],
schemaVersion: '1.0.1',
updatedAt: '2017-12-31T19:58:12.425Z' },
setProvider: [Function: bound setProvider],
new: [Function: bound new],
at: [Function: bound at],
deployed: [Function: bound deployed],
defaults: [Function: bound defaults],
hasNetwork: [Function: bound hasNetwork],
isDeployed: [Function: bound isDeployed],
detectNetwork: [Function: bound detectNetwork],
setNetwork: [Function: bound setNetwork],
resetAddress: [Function: bound resetAddress],
link: [Function: bound link],
clone: [Function: bound clone],
addProp: [Function: bound addProp],
toJSON: [Function: bound toJSON],
web3:
Web3 {
_requestManager: [Object],
currentProvider: [Object],
eth: [Object],
db: [Object],
shh: [Object],
net: [Object],
personal: [Object],
bzz: [Object],
settings: [Object],
version: [Object],
providers: [Object],
_extend: [Object] },
class_defaults:
{ from: '0x848375e1f2447bee3257b9afcac99af09d83f9f0',
gas: 6721975,
gasPrice: 100000000000 },
currentProvider:
HttpProvider {
host: 'http://localhost:8545',
timeout: 0,
user: undefined,
password: undefined,
send: [Function],
sendAsync: [Function],
_alreadyWrapped: true },
network_id: '1001' },
abi:
[ { constant: false,
inputs: [],
name: 'sayHello',
outputs: [Array],
payable: false,
stateMutability: 'nonpayable',
type: 'function' } ],
contract:
Contract {
_eth:
Eth {
_requestManager: [Object],
getBalance: [Object],
getStorageAt: [Object],
getCode: [Object],
getBlock: [Object],
getUncle: [Object],
getCompilers: [Object],
getBlockTransactionCount: [Object],
getBlockUncleCount: [Object],
getTransaction: [Object],
getTransactionFromBlock: [Object],
getTransactionReceipt: [Object],
getTransactionCount: [Object],
call: [Object],
estimateGas: [Object],
sendRawTransaction: [Object],
signTransaction: [Object],
sendTransaction: [Object],
sign: [Object],
compile: [Object],
submitWork: [Object],
getWork: [Object],
coinbase: [Getter],
getCoinbase: [Object],
mining: [Getter],
getMining: [Object],
hashrate: [Getter],
getHashrate: [Object],
syncing: [Getter],
getSyncing: [Object],
gasPrice: [Getter],
getGasPrice: [Object],
accounts: [Getter],
getAccounts: [Object],
blockNumber: [Getter],
getBlockNumber: [Object],
protocolVersion: [Getter],
getProtocolVersion: [Object],
iban: [Object],
sendIBANTransaction: [Function: bound transfer] },
transactionHash: null,
address: '0xf169c021288e56a0b9739fd959fe305a7f67f500',
abi: [ [Object] ],
sayHello:
{ [Function: bound ]
request: [Function: bound ],
call: [Function: bound ],
sendTransaction: [Function: bound ],
estimateGas: [Function: bound ],
getData: [Function: bound ],
'': [Circular] },
allEvents: [Function: bound ] },
sayHello:
{ [Function]
call: [Function],
sendTransaction: [Function],
request: [Function: bound ],
estimateGas: [Function] },
sendTransaction: [Function],
send: [Function],
allEvents: [Function: bound ],
address: '0xf169c021288e56a0b9739fd959fe305a7f67f500',
transactionHash: null }
truffle(development)>
(To exit, press ^C again or type .exit)
truffle(development)> hw.sayHello.call()
'Hello 2018!'
truffle(development)>
Solution : To those who might have same problem READ COMMENTS from accepted answer to get all the info.
Working code, with commands to run it: https://github.com/TomasBisciak/EthereumHelloWorldExample
1 answers
solution1
3 ACCPTED 2017-12-31 19:40:25
Your truffle migrate command is showing nothing was deployed. Your output should look something like this:
$ truffle migrate Using network 'development'. Running migration: 1_initial_migration.js Deploying Migrations... ... 0x92408ab65d6fb64dedcf1e3aaa99854cc5fc3eb3e15687e04df86d357cdf22d8 Migrations: 0xbaae4238d6818704f09c253d4c7bc57a3585623a Deploying HelloWorld... ... 0x47d7237c07e819f28dd7e154cfef67fa6b854cc963b6562abe1861cbdb85c222 HelloWorld: 0x0a926a36ec5bf177c7724d0d1a85aa15e965916c Saving successful migration to network... ... 0x548eab4802922e75dedfbb63ce158c4863bddcc5e6fc14f0396f109be13d8794 Saving artifacts... Running migration: 2_deploy_contracts.js Saving successful migration to network... ... 0x308b6e327d3cbc901cd49d380f56d30eb422efc3232d54115a2ef025dfc68f0c Saving artifacts...
Some things to try:
- Truffle has a minor issue running on Windows 10 where the
truffle.jshas name conflicts with the maintrufflecommand. You'll want to renametruffle.jstotruffle-config.jsSee this . - Clear out all previous builds/migrations. Delete the
builddirectory and runtruffle migrate --reset. - If the previous 2 don't work, restart
testrpcto clear out any previous migrations on your local blockchain. Then reruntruffle migrate
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