Smart Contracts

Prepare solidity compiler
Usage: ioctl contract prepare
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➜  ioctl contract prepare
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​
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...
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Solidity compiler is ready now.

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This process installs solc to you env. You can also install it by using the following commands.
On Ubuntu, you can use the following command
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sudo add-apt-repository ppa:ethereum/ethereum
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sudo apt-get update
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sudo apt-get install solc
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On macOS, you can use the following command
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brew update
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brew upgrade
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brew tap ethereum/ethereum
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brew install [email protected]

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For more detailed instruction of installing solc, please refer to https://solidity.readthedocs.io/en/v0.5.0/installing-solidity.html.
Please note that ioctl currently supports solc 4.x and 5.x. Please make sure you install the current version.
Compile smart contract
Usage: ioctl contract compile CONTRACT_NAME [CODE_FILES...] [--abi-out ABI_PATH] [--bin-out BIN_PATH]
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➜  ioctl contract compile Multisend
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Output:
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======= multisend2.sol:Multisend =======
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Binary:
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0x608060405234801561001057600080fd5b5060405160408061096483398101604052805160209091015160008054600160a060020a03191633179055600191909155600255610911806100536000396000f30060806...
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Contract JSON ABI
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[{"constant":false,"inputs":[{"name":"recipients","type":"address[]"},{"name":"amounts","type":"uint256[]"},{"name":"payload","type":"string"}],"name":"sendCoin","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},
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...
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Deploy smart contract from sol file
Usage: ioctl contract deploy sol CONTRACT_NAME [CODE_FILES...] [--with-arguments INIT_INPUT]
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➜  ioctl contract deploy sol Multisend --with-arguments '{"_minTips":1,"_limit":20}' -s yqr
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Output:
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...
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Action has been sent to blockchain.
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Wait for several seconds and query this action by hash:iotexscan.io/action/xxx...
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Deploy smart contract from bytecode
Usage: ioctl contract deploy bytecode BYTECODE [ABI_PATH INIT_INPUT]
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➜  ioctl contract deploy bytecode 60806040523480156100105760008... -s yqr
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Output:
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...
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version: 1  nonce: 144  gasLimit: 745466  gasPrice: 0.000001 IOTX
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senderAddress: io1cl6rl2ev5dfa988qmgzg2x4hfazmp9vn2g66ng (yqr)
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execution: <
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  contract:
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  data: 608060405234801561001057600080fd5b5060405160408061096483398101604052805160209091015160008054600160a060020a03191633179055600191909155600255610911806100536000396000f300608060405260043610
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...
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>
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senderPubKey: 046d89e514d67b702d0a4bf15bfa32f2ffac43ab56f9c9a3a0020b3cd02c426267dd8a5a03bca5c2fe2487fd0e1539b8d25053ba1fc9db83684ea7a33b70f936f7
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signature: f436c1ffadd63bf67308d8416529aac04deeb0761022aa5d75a60869e91dc5ab4dd64576d82ffe1a40e569450c6463accbbe2b9cf9251b0577419f6a6995e48800
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​
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Please confirm your action.
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​
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​
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Options: yes
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Quit for anything else.
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yes
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Action has been sent to blockchain.
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Wait for several seconds and query this action by hash:iotexscan.io/action/xxx...

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Deploy smart contract from bin file
Usage: ioctl contract deploy bin BIN_PATH [ABI_PATH INIT_INPUT]
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➜  ioctl contract deploy bin a.bin a.abi '{"_minTips":1,"_limit":20}' -s yqr
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Output:
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...
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version: 1  nonce: 143  gasLimit: 781866  gasPrice: 0.000001 IOTX
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senderAddress: io1cl6rl2ev5dfa988qmgzg2x4hfazmp9vn2g66ng (yqr)
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execution: <
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  contract:
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  data: 608060405234801561001057600080fd5b5060405160408061096483398101604052805160209091015160008054600160a060020a03191633179055600191909155600255610911806100536000396000f300608060405260043610
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...
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>
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senderPubKey: 046d89e514d67b702d0a4bf15bfa32f2ffac43ab56f9c9a3a0020b3cd02c426267dd8a5a03bca5c2fe2487fd0e1539b8d25053ba1fc9db83684ea7a33b70f936f7
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signature: 310b186c59563eb1e261465b9e28a325149267e10afed988e697272f5411defc7c1cc419f01c6fbb45e4fbb2f50bcdbfb63fec7bd5e1a0f9ec43d6fcc286462a01
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​
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Please confirm your action.
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​
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​
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Options: yes
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Quit for anything else.
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yes
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Action has been sent to blockchain.
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Wait for several seconds and query this action by hash:iotexscan.io/action/xxx...
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Invoke smart contract by function
Usage: ioctl contract invoke function (CONTRACT_ADDRESS|ALIAS) ABI_PATH FUNCTION_NAME [AMOUNT_IOTX] [--with-arguments INVOKE_INPUT]
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→  ioctl contract invoke function io1h8z... a.abi sendCoin 2 --with-arguments {"recipients":["io1h8zxmdacge966wp6t90a02ncghaa6eptnftfqr","io14fmlh7zedcx7tn3k9k744v54nxnv8zky86tjhj"],"amounts":["312","123"],"payload":"PLEASE!!!"}
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Output:
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version: 1  nonce: 146  gasLimit: 45600  gasPrice: 0.000001 IOTX
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senderAddress: io1cl6rl2ev5dfa988qmgzg2x4hfazmp9vn2g66ng (yqr)
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execution: <
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  contract: io1h8zxmdacge966wp6t90a02ncghaa6eptnftfqr (m)
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  amount: 2 IOTX
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  data: 02c4bc47000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000
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...
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Invoke smart contract by bytecode
Usage: ioctl contract invoke bytecode (CONTRACT_ADDRESS|ALIAS) PACKED_ARGUMENTS [AMOUNT_IOTX]
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→  ioctl contract invoke bytecode io1hp6y... b5060409 0 -s yqr -l 1000000
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Output:
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version: 1  nonce: 1  gasLimit: 1000000  gasPrice: 0.000001 IOTX
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senderAddress: io1a8r9fvu6e3vthfaqvnxlhc6eavsm6t8a2cwtud (devaccount)
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execution: <
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  contract: io1hp6y4eqr90j7tmul4w2wa8pm7wx462hq0mg4tw
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  data: b5060409
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...
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Test smart contract by bytecode
Usage: ioctl contract test bytecode (CONTRACT_ADDRESS|ALIAS) PACKED_ARGUMENTS [AMOUNT_IOTX]
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→  ioctl contract test bytecode io18qq... a4d66daf
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Output:
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return 0000000000000000000000000000000000000000000000000000000000000000
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Test smart contract by function
Usage: ioctl contract test function (CONTRACT_ADDRESS|ALIAS) ABI_PATH FUNCTION_NAME [AMOUNT_IOTX] [--with-arguments INVOKE_INPUT]
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→  ioctl contract test function io18qq... a.abi owner
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Output:
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return 000000000000000000000000c7f43fab2ca353d29ce0da04851ab74f45b09593
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Share local files with IoTeX IDE
Usage: ioctl contract share LOCAL_FOLDER_PATH [--iotex-ide YOUR_IOTEX_IDE_URL_INSTANCE]
LOCAL_FOLDER_PATH can be absolute or relatively. --iotex-ide flag defaults to https://ide.iotex.io.
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→  ioctl contract share ioctl
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Output:
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2020/08/22 16:45:00 Listening on 127.0.0.1:65520, Please open your IDE ( https://ide.iotex.io ) to connect to local files
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2020/08/22 16:45:05 share :ioctl/client.go
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2020/08/22 16:45:05 share :ioctl/cmd/account/account.go
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2020/08/22 16:45:05 share :ioctl/cmd/account/account_test.go
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2020/08/22 16:45:05 share :ioctl/cmd/account/accountbalance.go
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...
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​

Query the Blockchain

Staking & Voting

Last modified 6mo ago

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Contents

Prepare solidity compiler

Compile smart contract

Deploy smart contract from sol file

Deploy smart contract from bytecode

Deploy smart contract from bin file

Invoke smart contract by function

Invoke smart contract by bytecode

Test smart contract by bytecode

Test smart contract by function

Share local files with IoTeX IDE