//! Demonstrates how to obtain a `DynProvider` from a Provider.

use alloy::{

node_bindings::Anvil,

providers::{Provider, ProviderBuilder},

signers::local::PrivateKeySigner,

sol,

};

// Codegen from embedded Solidity code and precompiled bytecode.

sol! {

#[allow(missing_docs)]

// solc v0.8.26; solc Counter.sol --via-ir --optimize --bin

#[sol(rpc, bytecode="6080806040523460135760df908160198239f35b600080fdfe6080806040526004361015601257600080fd5b60003560e01c9081633fb5c1cb1460925781638381f58a146079575063d09de08a14603c57600080fd5b3460745760003660031901126074576000546000198114605e57600101600055005b634e487b7160e01b600052601160045260246000fd5b600080fd5b3460745760003660031901126074576020906000548152f35b34607457602036600319011260745760043560005500fea2646970667358221220e978270883b7baed10810c4079c941512e93a7ba1cd1108c781d4bc738d9090564736f6c634300081a0033")]

contract Counter {

uint256 public number;

function setNumber(uint256 newNumber) public {

number = newNumber;

}

function increment() public {

number++;

}

}

}

#[tokio::main]

async fn main() -> eyre::Result<()> {

// Spin up a local Anvil node.

// Ensure `anvil` is available in $PATH.

let anvil = Anvil::new().spawn();

let signer_pk: PrivateKeySigner =

"0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80".parse()?;

let from = signer_pk.address();

// Provider with verbose types.

let regular_provider =

ProviderBuilder::new().wallet(signer_pk).connect(anvil.endpoint().as_str()).await?;

// One can use the erased method to obtain a DynProvider from a Provider.

let dyn_provider = regular_provider.erased();

// Note that the fillers set while building provider are still available, only the types have

// been erased OR boxed under the hood.

// This enables us to use the DynProvider as one would use a regular Provider with verbose

// types.

let counter = Counter::deploy(&dyn_provider).await?;

println!("Counter deployed at {}", counter.address());

// Sends a transaction with required properties such as gas, nonce, from filled.

let incr = counter.increment().send().await?;

let receipt = incr.get_receipt().await?;

assert_eq!(receipt.from, from);

let number = counter.number().call().await?;

println!("New number: {number}");

Ok(())

}