feat: add deploy example

examples/contract_with_abi.rs

@@ -3,7 +3,7 @@ use eyre::Result;
 use std::{convert::TryFrom, path::Path, sync::Arc, time::Duration};
 
 // Generate the type-safe contract bindings by providing the ABI
-// definition in human readable format
+// definition
 abigen!(
     SimpleContract,
     "./examples/contract_abi.json",

examples/contract_with_abi_and_bytecode.rs

@@ -0,0 +1,36 @@
+use ethers::{prelude::*, utils::Ganache};
+use eyre::Result;
+use std::{convert::TryFrom, sync::Arc, time::Duration};
+
+// Generate the type-safe contract bindings by providing the json artifact
+// *Note*: this requires a `bytecode` and `abi` object in the `greeter.json` artifact:
+// `{"abi": [..], "bin": "..."}`  or `{"abi": [..], "bytecode": {"object": "..."}}`
+// this will embedd the bytecode in a variable `GREETER_BYTECODE`
+abigen!(Greeter, "ethers-contract/tests/solidity-contracts/greeter.json",);
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    // 1. compile the contract (note this requires that you are inside the `examples` directory) and
+    // launch ganache
+    let ganache = Ganache::new().spawn();
+
+    // 2. instantiate our wallet
+    let wallet: LocalWallet = ganache.keys()[0].clone().into();
+
+    // 3. connect to the network
+    let provider =
+        Provider::<Http>::try_from(ganache.endpoint())?.interval(Duration::from_millis(10u64));
+
+    // 4. instantiate the client with the wallet
+    let client = Arc::new(SignerMiddleware::new(provider, wallet));
+
+    // 5. deploy contract, note the `legacy` call required for non EIP-1559
+    let greeter_contract =
+        Greeter::deploy(client, "Hello World!".to_string()).unwrap().legacy().send().await.unwrap();
+
+    // 6. call contract function
+    let greeting = greeter_contract.greet().call().await.unwrap();
+    assert_eq!("Hello World!", greeting);
+
+    Ok(())
+}