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Compile, test, deploy, and interact with smart contracts

Project description

Cupcake

GitHub license

Easily compile, test, and deploy smart contracts

Cupcake is a development enviroment to compile, test, and deploy Ethereum smart contracts. It automates the process down to a few lines of code for most complex operations, while continuing to maintain versatility. The built-in network makes testing just work without any additional setup. Optionally, Ganache can easily be used as a provider.

Interact with existing contracts and send ether

Cupcake comes with a scripting workspace for sending ether and interacting with other smart contracts on the blockchain.

Source

Clone cupcake

gh repo clone 0xver/cupcake

Install cupcake

pip install .

PyPi

Install cupcake

pip install cupcakes

Getting Started

Start new cupcake project and select option

cupcake

Open the project

cd name

View the command options

cupcake

Compile

Compile smart contracts

cupcake bake

Test

Test smart contracts

cupcake frost

Deploy

Deploy smart contracts

cupcake serve

Interact

Interact with smart contracts through the script workspace

cupcake shop

API

Function Parameters
account(provider) (Optional) provider(type)
compile(source) (Optional) "Contract"
contract(provider, address, abi) provider(type), 0x..., "[]"
deploy(source, constructor, provider, key_pair) "Contract", (Optional) ["constructor arguments"], provider(type), (Optional) account()
install(version) (Optional) 0.0.0
provider(type) "Custom", "Ganache"
read(contract, function, args, expect) contract(provider, address, abi), "function", (Optional) "args", (Optional) <expect>
send(provider, to, amount, gas, sender, key_pair, chain) provider(type), 0x..., eth(1), (Optional) 50, (Optional) account()[1], (Optional) account(), (Optional) 1
write(contract, function, args, value, gas, caller, key_pair, provider) contract(provider, address, abi), "function", (Optional) "args", (Optional) eth(1), (Optional) 50, (Optional) account()[1], (Optional) account(), (Optional) provider(type)

account(provider)

The account function will convert a private key into a public key without any parameter argument or derive accounts from the provider. Returns key_pair account() and public key account()[1] from the private key in .env or public addresses from a provider as account(provider)[1] through account(provider)[9].

compile(source)

Optionally set source argument to return object. Compiler outputs contract ABIs to build/. Runs Install() before compiling. Returns the source bytecode compile()[0] and source ABI compile()[1] only if the source argument is set.

contract(provider, address, abi)

Access an existing contract by giving a provider, contract address, and the contract's ABI. Returns contract object.

deploy(source, constructor, provider, key_pair)

Will compile(source) contracts and deploy contracts from the provider. Optionally use an array of constructor arguments. Use account() for the optional key_pair parameter. The first address from the provider is used if no key_pair are provided. Returns contract object.

install(version)

Installs version of Solidity or latest version if not argument is not set.

provider(type)

"Custom" and "Ganache" are type arguments. "Custom" and "Ganache" types are defined in config.yaml. Use the built in local network with provider().

read(contract, function, args, expect)

Use contract() or deploy() for the contract argument. Specify the function as a string. Optionally use args for the contract function arguments. Optionally use the expect argument to override the return.

send(provider, to, amount, gas, sender, key_pair, chain)

Sends ether from an account. Use account(provider)[1] for the sender or use account() for the key_pair. Using key_pair does not require the sender argument. Use gas and chain only if key_pair is used. Supported chain string arguments are "mainnet", "ropsten", "kovan", and "rinkeby". If no chain is provided, the Ethereum mainnet is used. Logs transaction hash to txs/. Returns transaction hash.

write(contract, function, args, value, gas, caller, key_pair, provider)

Use contract() or deploy() for the contract argument. Specify the function as a string. Optionally use args for the contract function's argument. Optionally use value if function requires ether. Use caller or use gas, key_pair and provider depending on the setup. Logs transaction hash to txs/. Returns transaction hash.

Add private key

Create .env file in project folder

touch .env

Add the private key to PRIVATE_KEY in the .env file and include 0x

PRIVATE_KEY=0x...

Enable Ganache

Add Ganache host and port in config.yaml

Network:
    Ganache: http://127.0.0.1:7545

Set the provider(type) to Ganache

provider("Ganache")

Return automated messages

Use msg("baked") or msg("frosted") to return success messages. Use msg(public_key=public_key, contract=contract) to return deployment message. Use msg(tx=tx) to return transaction message.

Convert ETH to WEI

Use eth(value) to convert ETH to WEI

Load ABI from json file

Use source(abi/contract.json) to return ABI

Set gas limit

Add the following to config.yaml

Gas:
    Limit: 200000

Change the .env file path location

Add the following to config.yaml

Key:
    Location: "path/.env"

Change config.yaml network names

Change the config.yaml custom network name to enable provider("Infura")

Network:
    Infura:

Print with color

Use p(object) to print() with color

Disable Colors

Add the following to config.yaml to disable colors

Colors:
    Disable: True

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