79 lines
2.3 KiB
Rust
79 lines
2.3 KiB
Rust
use ethers_contract::{Contract, ContractFactory};
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use ethers_core::{
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types::H256,
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utils::{GanacheBuilder, Solc},
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};
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use ethers_providers::{Http, Provider};
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use ethers_signers::Wallet;
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use std::convert::TryFrom;
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#[tokio::test]
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async fn deploy_and_call_contract() {
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// 1. compile the contract
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let compiled = Solc::new("./tests/contract.sol").build().unwrap();
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let contract = compiled
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.get("SimpleStorage")
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.expect("could not find contract");
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// 2. launch ganache
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let port = 8546u64;
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let url = format!("http://localhost:{}", port).to_string();
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let _ganache = GanacheBuilder::new().port(port)
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.mnemonic("abstract vacuum mammal awkward pudding scene penalty purchase dinner depart evoke puzzle")
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.spawn();
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// 3. instantiate our wallet
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let wallet = "380eb0f3d505f087e438eca80bc4df9a7faa24f868e69fc0440261a0fc0567dc"
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.parse::<Wallet>()
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.unwrap();
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// 4. connect to the network
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let provider = Provider::<Http>::try_from(url.as_str()).unwrap();
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// 5. instantiate the client with the wallet
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let client = wallet.connect(provider);
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// 6. create a factory which will be used to deploy instances of the contract
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let factory = ContractFactory::new(&client, &contract.abi, &contract.bytecode);
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// 7. deploy it with the constructor arguments
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let contract = factory
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.deploy("initial value".to_string())
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.unwrap()
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.send()
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.await
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.unwrap();
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// 8. get the contract's address
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let addr = contract.address();
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// 9. instantiate the contract
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let contract = Contract::new(*addr, contract.abi(), &client);
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// 10. the initial value must be the one set in the constructor
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let value: String = contract
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.method("getValue", ())
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.unwrap()
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.call()
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.await
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.unwrap();
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assert_eq!(value, "initial value");
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// 11. call the `setValue` method (ugly API here)
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let _tx_hash = contract
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.method::<_, H256>("setValue", "hi".to_owned())
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.unwrap()
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.send()
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.await
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.unwrap();
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// 12. get the new value
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let value: String = contract
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.method("getValue", ())
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.unwrap()
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.call()
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.await
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.unwrap();
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assert_eq!(value, "hi");
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}
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