94 lines
2.3 KiB
Rust
94 lines
2.3 KiB
Rust
use std::sync::Arc;
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use wasm_bindgen::prelude::*;
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use web_sys::console;
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use ethers::{
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contract::abigen,
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prelude::{ContractFactory, Provider, SignerMiddleware},
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providers::Ws,
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};
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use crate::utils::SIMPLECONTRACT_BIN;
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pub mod utils;
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// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
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// allocator.
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#[cfg(feature = "wee_alloc")]
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#[global_allocator]
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static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
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macro_rules! log {
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( $( $t:tt )* ) => {
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web_sys::console::log_1(&format!( $( $t )* ).into());
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}
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}
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abigen!(
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SimpleContract,
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"./../contract_abi.json",
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event_derives(serde::Deserialize, serde::Serialize)
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);
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#[wasm_bindgen]
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pub async fn deploy() {
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utils::set_panic_hook();
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console::log_2(
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&"SimpleContract ABI: ".into(),
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&JsValue::from_serde(&*SIMPLECONTRACT_ABI).unwrap(),
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);
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let wallet = utils::key(0);
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log!("Wallet: {:?}", wallet);
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let endpoint = "ws://127.0.0.1:8545";
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let provider = Provider::new(Ws::connect(endpoint).await.unwrap());
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let client = Arc::new(SignerMiddleware::new(provider, wallet));
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log!("Provider connected to `{}`", endpoint);
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let bytecode = hex::decode(SIMPLECONTRACT_BIN).unwrap();
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let factory = ContractFactory::new(SIMPLECONTRACT_ABI.clone(), bytecode.into(), client.clone());
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log!("Deploying contract...");
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let contract = factory
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.deploy("hello WASM!".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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let addr = contract.address();
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log!("Deployed contract with address: {:?}", addr);
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let contract = SimpleContract::new(addr, client.clone());
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let value = "bye from WASM!";
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log!("Setting value... `{}`", value);
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let receipt = contract
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.set_value(value.to_owned())
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.send()
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.await
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.unwrap()
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.await
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.unwrap();
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console::log_2(
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&"Set value receipt: ".into(),
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&JsValue::from_serde(&receipt).unwrap(),
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);
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log!("Fetching logs...");
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let logs = contract
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.value_changed_filter()
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.from_block(0u64)
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.query()
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.await
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.unwrap();
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let value = contract.get_value().call().await.unwrap();
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console::log_2(
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&format!("Value: `{}`. Logs: ", value).into(),
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&JsValue::from_serde(&logs).unwrap(),
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);
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}
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