feat: adds bscscan as abi source (#1955)
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Genysys
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@ -3,7 +3,7 @@
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## ethers-core
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### Unreleased
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-
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- Graceful handling of WebSocket transport errors [#1889](https://github.com/gakonst/ethers-rs/issues/1889) [#1815](https://github.com/gakonst/ethers-rs/issues/1815)
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- `MiddlewareBuilder` trait to instantiate a `Provider` as `Middleware` layers.
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- An `Event` builder can be instantiated specifying the event filter type, without the need to instantiate a contract.
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@ -20,6 +20,9 @@ pub enum Source {
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/// An ABI to be retrieved over HTTP(S).
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Http(Url),
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/// An address of a mainnet contract that has been verified on Bscscan.com.
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Bscscan(Address),
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/// An address of a mainnet contract that has been verified on Etherscan.io.
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Etherscan(Address),
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@ -54,7 +57,12 @@ impl Source {
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///
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/// - `etherscan:0xXX..XX` or `https://etherscan.io/address/0xXX..XX`: a address or URL of a
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/// verified contract on Etherscan.
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///
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/// - `bscscan:0xXX..XX` or `https://bscscan.io/address/0xXX..XX`: a address or URL of a
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/// verified contract on Bscscan.
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/// - `polygonscan:0xXX..XX` or `https://polygonscan.io/address/0xXX..XX`: a address or URL of a
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/// verified contract on Polygonscan.
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/// - `snowtrace:0xXX..XX` or `https://snowtrace.io/address/0xXX..XX`: a address or URL of a
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/// verified contract on Snowtrace.
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/// - `npm:@org/package@1.0.0/path/to/contract.json` an npmjs package with an optional version
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/// and path (defaulting to the latest version and `index.js`). The contract ABI will be
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/// retrieved through `unpkg.io`.
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@ -99,6 +107,12 @@ impl Source {
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match url.scheme() {
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"file" => Ok(Source::local(source)),
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"http" | "https" => match url.host_str() {
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Some("bscscan.com") => Source::etherscan(
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url.path()
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.rsplit('/')
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.next()
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.ok_or_else(|| eyre!("HTTP URL does not have a path"))?,
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),
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Some("etherscan.io") => Source::etherscan(
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url.path()
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.rsplit('/')
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@ -119,6 +133,7 @@ impl Source {
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),
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_ => Ok(Source::Http(url)),
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},
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"bscscan" => Source::bscscan(url.path()),
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"etherscan" => Source::etherscan(url.path()),
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"polygonscan" => Source::polygonscan(url.path()),
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"snowtrace" => Source::snowtrace(url.path()),
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@ -140,6 +155,16 @@ impl Source {
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Ok(Source::Http(Url::parse(url.as_ref())?))
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}
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/// Creates an Bscscan source from an address string.
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pub fn bscscan<S>(address: S) -> Result<Self>
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where
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S: AsRef<str>,
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{
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let address =
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util::parse_address(address).context("failed to parse address for Bscscan source")?;
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Ok(Source::Bscscan(address))
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}
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/// Creates an Etherscan source from an address string.
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pub fn etherscan<S>(address: S) -> Result<Self>
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where
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@ -187,6 +212,7 @@ impl Source {
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match self {
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Source::Local(path) => get_local_contract(path),
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Source::Http(_) => panic!("Http abi location are not supported for wasm"),
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Source::Bscscan(_) => panic!("Bscscan abi location are not supported for wasm"),
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Source::Etherscan(_) => panic!("Etherscan abi location are not supported for wasm"),
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Source::Polygonscan(_) => panic!("Polygonscan abi location are not supported for wasm"),
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Source::Snowtrace(_) => panic!("Snowtrace abi location are not supported for wasm"),
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@ -197,6 +223,7 @@ impl Source {
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match self {
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Source::Local(path) => get_local_contract(path),
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Source::Http(url) => get_http_contract(url),
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Source::Bscscan(address) => get_etherscan_contract(*address, "bscscan.com"),
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Source::Etherscan(address) => get_etherscan_contract(*address, "etherscan.io"),
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Source::Polygonscan(address) => get_etherscan_contract(*address, "polygonscan.com"),
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Source::Snowtrace(address) => get_etherscan_contract(*address, "snowtrace.io"),
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@ -261,6 +288,7 @@ fn get_etherscan_contract(address: Address, domain: &str) -> Result<String> {
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// probably don't reference anything when deploying on other networks.
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let api_key = {
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let key_res = match domain {
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"bscscan.com" => env::var("BSCSCAN_API_KEY").ok(),
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"etherscan.io" => env::var("ETHERSCAN_API_KEY").ok(),
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"polygonscan.com" => env::var("POLYGONSCAN_API_KEY").ok(),
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"snowtrace.io" => env::var("SNOWTRACE_API_KEY").ok(),
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@ -311,6 +339,10 @@ mod tests {
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"https://my.domain.eth/path/to/Contract.json",
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Source::http("https://my.domain.eth/path/to/Contract.json").unwrap(),
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),
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(
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"bscscan:0x0001020304050607080910111213141516171819",
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Source::bscscan("0x0001020304050607080910111213141516171819").unwrap(),
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),
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(
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"etherscan:0x0001020304050607080910111213141516171819",
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Source::etherscan("0x0001020304050607080910111213141516171819").unwrap(),
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@ -323,6 +355,10 @@ mod tests {
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"snowtrace:0x0001020304050607080910111213141516171819",
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Source::snowtrace("0x0001020304050607080910111213141516171819").unwrap(),
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),
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(
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"https://bscscan.io/address/0x0001020304050607080910111213141516171819",
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Source::bscscan("0x0001020304050607080910111213141516171819").unwrap(),
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),
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(
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"https://etherscan.io/address/0x0001020304050607080910111213141516171819",
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Source::etherscan("0x0001020304050607080910111213141516171819").unwrap(),
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