cast/
tx.rs

1use crate::traces::identifier::SignaturesIdentifier;
2use alloy_consensus::{SidecarBuilder, SimpleCoder};
3use alloy_dyn_abi::ErrorExt;
4use alloy_ens::NameOrAddress;
5use alloy_json_abi::Function;
6use alloy_network::{Network, TransactionBuilder};
7use alloy_primitives::{Address, B256, Bytes, TxHash, TxKind, U256, hex};
8use alloy_provider::{PendingTransactionBuilder, Provider};
9use alloy_rpc_types::{AccessList, Authorization, TransactionInputKind};
10use alloy_signer::Signer;
11use alloy_transport::TransportError;
12use clap::Args;
13use eyre::{Result, WrapErr};
14use foundry_cli::{
15    opts::{CliAuthorizationList, EthereumOpts, TransactionOpts},
16    utils::{self, parse_function_args},
17};
18use foundry_common::{
19    TransactionReceiptWithRevertReason, fmt::*, get_pretty_receipt_w_reason_attr, shell,
20};
21use foundry_config::{Chain, Config};
22use foundry_primitives::FoundryTransactionBuilder;
23use foundry_wallets::{BrowserWalletOpts, WalletOpts, WalletSigner};
24use itertools::Itertools;
25use serde_json::value::RawValue;
26use std::{fmt::Write, marker::PhantomData, str::FromStr, time::Duration};
27
28#[derive(Debug, Clone, Args)]
29pub struct SendTxOpts {
30    /// Only print the transaction hash and exit immediately.
31    #[arg(id = "async", long = "async", alias = "cast-async", env = "CAST_ASYNC")]
32    pub cast_async: bool,
33
34    /// Wait for transaction receipt synchronously instead of polling.
35    /// Note: uses `eth_sendTransactionSync` which may not be supported by all clients.
36    #[arg(long, conflicts_with = "async")]
37    pub sync: bool,
38
39    /// The number of confirmations until the receipt is fetched.
40    #[arg(long, default_value = "1")]
41    pub confirmations: u64,
42
43    /// Timeout for sending the transaction.
44    #[arg(long, env = "ETH_TIMEOUT")]
45    pub timeout: Option<u64>,
46
47    /// Polling interval for transaction receipts (in seconds).
48    #[arg(long, alias = "poll-interval", env = "ETH_POLL_INTERVAL")]
49    pub poll_interval: Option<u64>,
50
51    /// Ethereum options
52    #[command(flatten)]
53    pub eth: EthereumOpts,
54
55    /// Browser wallet options
56    #[command(flatten)]
57    pub browser: BrowserWalletOpts,
58}
59
60/// Different sender kinds used by [`CastTxBuilder`].
61pub enum SenderKind<'a> {
62    /// An address without signer. Used for read-only calls and transactions sent through unlocked
63    /// accounts.
64    Address(Address),
65    /// A reference to a signer.
66    Signer(&'a WalletSigner),
67    /// An owned signer.
68    OwnedSigner(Box<WalletSigner>),
69}
70
71impl SenderKind<'_> {
72    /// Resolves the name to an Ethereum Address.
73    pub fn address(&self) -> Address {
74        match self {
75            Self::Address(addr) => *addr,
76            Self::Signer(signer) => signer.address(),
77            Self::OwnedSigner(signer) => signer.address(),
78        }
79    }
80
81    /// Resolves the sender from the wallet options.
82    ///
83    /// This function prefers the `from` field and may return a different address from the
84    /// configured signer
85    /// If from is specified, returns it
86    /// If from is not specified, but there is a signer configured, returns the signer's address
87    /// If from is not specified and there is no signer configured, returns zero address
88    pub async fn from_wallet_opts(opts: WalletOpts) -> Result<Self> {
89        if let Some(from) = opts.from {
90            Ok(from.into())
91        } else if let Ok(signer) = opts.signer().await {
92            Ok(Self::OwnedSigner(Box::new(signer)))
93        } else {
94            Ok(Address::ZERO.into())
95        }
96    }
97
98    /// Returns the signer if available.
99    pub fn as_signer(&self) -> Option<&WalletSigner> {
100        match self {
101            Self::Signer(signer) => Some(signer),
102            Self::OwnedSigner(signer) => Some(signer.as_ref()),
103            _ => None,
104        }
105    }
106}
107
108impl From<Address> for SenderKind<'_> {
109    fn from(addr: Address) -> Self {
110        Self::Address(addr)
111    }
112}
113
114impl<'a> From<&'a WalletSigner> for SenderKind<'a> {
115    fn from(signer: &'a WalletSigner) -> Self {
116        Self::Signer(signer)
117    }
118}
119
120impl From<WalletSigner> for SenderKind<'_> {
121    fn from(signer: WalletSigner) -> Self {
122        Self::OwnedSigner(Box::new(signer))
123    }
124}
125
126/// Prevents a misconfigured hwlib from sending a transaction that defies user-specified --from
127pub fn validate_from_address(
128    specified_from: Option<Address>,
129    signer_address: Address,
130) -> Result<()> {
131    if let Some(specified_from) = specified_from
132        && specified_from != signer_address
133    {
134        eyre::bail!(
135                "\
136The specified sender via CLI/env vars does not match the sender configured via
137the hardware wallet's HD Path.
138Please use the `--hd-path <PATH>` parameter to specify the BIP32 Path which
139corresponds to the sender, or let foundry automatically detect it by not specifying any sender address."
140            )
141    }
142    Ok(())
143}
144
145/// Initial state.
146#[derive(Debug)]
147pub struct InitState;
148
149/// State with known [TxKind].
150#[derive(Debug)]
151pub struct ToState {
152    to: Option<Address>,
153}
154
155/// State with known input for the transaction.
156#[derive(Debug)]
157pub struct InputState {
158    kind: TxKind,
159    input: Vec<u8>,
160    func: Option<Function>,
161}
162
163pub struct CastTxSender<N, P> {
164    provider: P,
165    _phantom: PhantomData<N>,
166}
167
168impl<N: Network, P: Provider<N>> CastTxSender<N, P>
169where
170    N::TransactionRequest: FoundryTransactionBuilder<N>,
171    N::ReceiptResponse: UIfmt + UIfmtReceiptExt,
172{
173    /// Creates a new Cast instance responsible for sending transactions.
174    pub fn new(provider: P) -> Self {
175        Self { provider, _phantom: PhantomData }
176    }
177
178    /// Sends a transaction and waits for receipt synchronously
179    pub async fn send_sync(&self, tx: N::TransactionRequest) -> Result<String> {
180        let mut receipt = TransactionReceiptWithRevertReason::<N> {
181            receipt: self.provider.send_transaction_sync(tx).await?,
182            revert_reason: None,
183        };
184        // Allow to fail silently
185        let _ = receipt.update_revert_reason(&self.provider).await;
186
187        self.format_receipt(receipt, None)
188    }
189
190    /// Sends a transaction to the specified address
191    ///
192    /// # Example
193    ///
194    /// ```
195    /// use cast::tx::CastTxSender;
196    /// use alloy_primitives::{Address, U256, Bytes};
197    /// use alloy_serde::WithOtherFields;
198    /// use alloy_rpc_types::{TransactionRequest};
199    /// use alloy_provider::{RootProvider, ProviderBuilder, network::AnyNetwork};
200    /// use std::str::FromStr;
201    /// use alloy_sol_types::{sol, SolCall};    ///
202    ///
203    /// sol!(
204    ///     function greet(string greeting) public;
205    /// );
206    ///
207    /// # async fn foo() -> eyre::Result<()> {
208    /// let provider = ProviderBuilder::<_,_, AnyNetwork>::default().connect("http://localhost:8545").await?;;
209    /// let from = Address::from_str("0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045")?;
210    /// let to = Address::from_str("0xB3C95ff08316fb2F2e3E52Ee82F8e7b605Aa1304")?;
211    /// let greeting = greetCall { greeting: "hello".to_string() }.abi_encode();
212    /// let bytes = Bytes::from_iter(greeting.iter());
213    /// let gas = U256::from_str("200000").unwrap();
214    /// let value = U256::from_str("1").unwrap();
215    /// let nonce = U256::from_str("1").unwrap();
216    /// let tx = TransactionRequest::default().to(to).input(bytes.into()).from(from);
217    /// let tx = WithOtherFields::new(tx);
218    /// let cast = CastTxSender::new(provider);
219    /// let data = cast.send(tx).await?;
220    /// println!("{:#?}", data);
221    /// # Ok(())
222    /// # }
223    /// ```
224    pub async fn send(&self, tx: N::TransactionRequest) -> Result<PendingTransactionBuilder<N>> {
225        let res = self.provider.send_transaction(tx).await?;
226
227        Ok(res)
228    }
229
230    /// Sends a raw RLP-encoded transaction via `eth_sendRawTransaction`.
231    ///
232    /// Used for transaction types that the standard Alloy network stack doesn't understand
233    /// (e.g., Tempo transactions).
234    pub async fn send_raw(&self, raw_tx: &[u8]) -> Result<PendingTransactionBuilder<N>> {
235        let res = self.provider.send_raw_transaction(raw_tx).await?;
236        Ok(res)
237    }
238
239    /// Prints the transaction hash (if async) or waits for the receipt and prints it.
240    ///
241    /// This is the shared "output" path used by both the normal send flow and the browser wallet
242    /// flow (which sends the transaction out-of-band and only has a tx hash).
243    pub async fn print_tx_result(
244        &self,
245        tx_hash: B256,
246        cast_async: bool,
247        confs: u64,
248        timeout: u64,
249    ) -> Result<()> {
250        if cast_async {
251            sh_println!("{tx_hash:#x}")?;
252        } else {
253            let receipt =
254                self.receipt(format!("{tx_hash:#x}"), None, confs, Some(timeout), false).await?;
255            sh_println!("{receipt}")?;
256        }
257        Ok(())
258    }
259
260    /// # Example
261    ///
262    /// ```
263    /// use alloy_provider::{ProviderBuilder, RootProvider, network::AnyNetwork};
264    /// use cast::tx::CastTxSender;
265    ///
266    /// async fn foo() -> eyre::Result<()> {
267    /// let provider =
268    ///     ProviderBuilder::<_, _, AnyNetwork>::default().connect("http://localhost:8545").await?;
269    /// let cast = CastTxSender::new(provider);
270    /// let tx_hash = "0xf8d1713ea15a81482958fb7ddf884baee8d3bcc478c5f2f604e008dc788ee4fc";
271    /// let receipt = cast.receipt(tx_hash.to_string(), None, 1, None, false).await?;
272    /// println!("{}", receipt);
273    /// # Ok(())
274    /// # }
275    /// ```
276    pub async fn receipt(
277        &self,
278        tx_hash: String,
279        field: Option<String>,
280        confs: u64,
281        timeout: Option<u64>,
282        cast_async: bool,
283    ) -> Result<String> {
284        let tx_hash = TxHash::from_str(&tx_hash).wrap_err("invalid tx hash")?;
285
286        let mut receipt = TransactionReceiptWithRevertReason::<N> {
287            receipt: match self.provider.get_transaction_receipt(tx_hash).await? {
288                Some(r) => r,
289                None => {
290                    // if the async flag is provided, immediately exit if no tx is found, otherwise
291                    // try to poll for it
292                    if cast_async {
293                        eyre::bail!("tx not found: {:?}", tx_hash)
294                    } else {
295                        PendingTransactionBuilder::<N>::new(self.provider.root().clone(), tx_hash)
296                            .with_required_confirmations(confs)
297                            .with_timeout(timeout.map(Duration::from_secs))
298                            .get_receipt()
299                            .await?
300                    }
301                }
302            },
303            revert_reason: None,
304        };
305
306        // Allow to fail silently
307        let _ = receipt.update_revert_reason(&self.provider).await;
308
309        self.format_receipt(receipt, field)
310    }
311
312    /// Helper method to format transaction receipts consistently
313    fn format_receipt(
314        &self,
315        receipt: TransactionReceiptWithRevertReason<N>,
316        field: Option<String>,
317    ) -> Result<String> {
318        Ok(if let Some(ref field) = field {
319            get_pretty_receipt_w_reason_attr(&receipt, field)
320                .ok_or_else(|| eyre::eyre!("invalid receipt field: {}", field))?
321        } else if shell::is_json() {
322            // to_value first to sort json object keys
323            serde_json::to_value(&receipt)?.to_string()
324        } else {
325            receipt.pretty()
326        })
327    }
328}
329
330/// Builder type constructing generic TransactionRequest from cast send/mktx inputs.
331///
332/// It is implemented as a stateful builder with expected state transition of [InitState] ->
333/// [ToState] -> [InputState].
334#[derive(Debug)]
335pub struct CastTxBuilder<N: Network, P, S> {
336    provider: P,
337    tx: N::TransactionRequest,
338    /// Whether the transaction should be sent as a legacy transaction.
339    legacy: bool,
340    blob: bool,
341    /// Whether the blob transaction should use EIP-4844 (legacy) format instead of EIP-7594.
342    eip4844: bool,
343    /// Whether to fill gas, fees and nonce. Set to `false` for read-only calls
344    /// (eth_call, eth_estimateGas, eth_createAccessList).
345    fill: bool,
346    auth: Vec<CliAuthorizationList>,
347    chain: Chain,
348    etherscan_api_key: Option<String>,
349    access_list: Option<Option<AccessList>>,
350    state: S,
351}
352
353impl<N: Network, P: Provider<N>> CastTxBuilder<N, P, InitState>
354where
355    N::TransactionRequest: FoundryTransactionBuilder<N>,
356{
357    /// Creates a new instance of [CastTxBuilder] filling transaction with fields present in
358    /// provided [TransactionOpts].
359    pub async fn new(provider: P, tx_opts: TransactionOpts, config: &Config) -> Result<Self> {
360        let mut tx = N::TransactionRequest::default();
361
362        let chain = utils::get_chain(config.chain, &provider).await?;
363        let etherscan_api_key = config.get_etherscan_api_key(Some(chain));
364        // mark it as legacy if requested or the chain is legacy and no 7702 is provided.
365        let legacy = tx_opts.legacy || (chain.is_legacy() && tx_opts.auth.is_empty());
366
367        // Apply gas, value, fee, and network-specific options.
368        tx_opts.apply::<N>(&mut tx, legacy);
369
370        Ok(Self {
371            provider,
372            tx,
373            legacy,
374            blob: tx_opts.blob,
375            eip4844: tx_opts.eip4844,
376            fill: true,
377            chain,
378            etherscan_api_key,
379            auth: tx_opts.auth,
380            access_list: tx_opts.access_list,
381            state: InitState,
382        })
383    }
384
385    /// Sets [TxKind] for this builder and changes state to [ToState].
386    pub async fn with_to(self, to: Option<NameOrAddress>) -> Result<CastTxBuilder<N, P, ToState>> {
387        let to = if let Some(to) = to { Some(to.resolve(&self.provider).await?) } else { None };
388        Ok(CastTxBuilder {
389            provider: self.provider,
390            tx: self.tx,
391            legacy: self.legacy,
392            blob: self.blob,
393            eip4844: self.eip4844,
394            fill: self.fill,
395            chain: self.chain,
396            etherscan_api_key: self.etherscan_api_key,
397            auth: self.auth,
398            access_list: self.access_list,
399            state: ToState { to },
400        })
401    }
402}
403
404impl<N: Network, P: Provider<N>> CastTxBuilder<N, P, ToState>
405where
406    N::TransactionRequest: FoundryTransactionBuilder<N>,
407{
408    /// Accepts user-provided code, sig and args params and constructs calldata for the transaction.
409    /// If code is present, input will be set to code + encoded constructor arguments. If no code is
410    /// present, input is set to just provided arguments.
411    pub async fn with_code_sig_and_args(
412        self,
413        code: Option<String>,
414        sig: Option<String>,
415        args: Vec<String>,
416    ) -> Result<CastTxBuilder<N, P, InputState>> {
417        let (mut args, func) = if let Some(sig) = sig {
418            parse_function_args(
419                &sig,
420                args,
421                self.state.to,
422                self.chain,
423                &self.provider,
424                self.etherscan_api_key.as_deref(),
425            )
426            .await?
427        } else {
428            (Vec::new(), None)
429        };
430
431        let input = if let Some(code) = &code {
432            let mut code = hex::decode(code)?;
433            code.append(&mut args);
434            code
435        } else {
436            args
437        };
438
439        if self.state.to.is_none() && code.is_none() {
440            let has_value = self.tx.value().is_some_and(|v| !v.is_zero());
441            let has_auth = !self.auth.is_empty();
442            // We only allow user to omit the recipient address if transaction is an EIP-7702 tx
443            // without a value.
444            if !has_auth || has_value {
445                eyre::bail!("Must specify a recipient address or contract code to deploy");
446            }
447        }
448
449        Ok(CastTxBuilder {
450            provider: self.provider,
451            tx: self.tx,
452            legacy: self.legacy,
453            blob: self.blob,
454            eip4844: self.eip4844,
455            fill: self.fill,
456            chain: self.chain,
457            etherscan_api_key: self.etherscan_api_key,
458            auth: self.auth,
459            access_list: self.access_list,
460            state: InputState { kind: self.state.to.into(), input, func },
461        })
462    }
463}
464
465impl<N: Network, P: Provider<N>> CastTxBuilder<N, P, InputState>
466where
467    N::TransactionRequest: FoundryTransactionBuilder<N>,
468{
469    /// Builds the TransactionRequest. Fills gas, fees and nonce unless [`raw`](Self::raw) was
470    /// called.
471    pub async fn build(
472        self,
473        sender: impl Into<SenderKind<'_>>,
474    ) -> Result<(N::TransactionRequest, Option<Function>)> {
475        let fill = self.fill;
476        self._build(sender, fill).await
477    }
478
479    async fn _build(
480        mut self,
481        sender: impl Into<SenderKind<'_>>,
482        fill: bool,
483    ) -> Result<(N::TransactionRequest, Option<Function>)> {
484        // prepare
485        let sender = sender.into();
486        self.prepare(&sender);
487
488        // resolve
489        let tx_nonce = self.resolve_nonce(sender.address(), fill).await?;
490        self.resolve_auth(&sender, tx_nonce).await?;
491        self.resolve_access_list().await?;
492
493        // fill
494        if fill {
495            self.fill_fees().await?;
496        }
497
498        Ok((self.tx, self.state.func))
499    }
500
501    /// Sets the core transaction fields from the builder state: kind, input, from, and chain id.
502    fn prepare(&mut self, sender: &SenderKind<'_>) {
503        self.tx.set_kind(self.state.kind);
504        // We set both fields to the same value because some nodes only accept the legacy
505        // `data` field: https://github.com/foundry-rs/foundry/issues/7764#issuecomment-2210453249
506        self.tx.set_input_kind(self.state.input.clone(), TransactionInputKind::Both);
507        self.tx.set_from(sender.address());
508        self.tx.set_chain_id(self.chain.id());
509    }
510
511    /// Resolves the transaction nonce. Returns the existing nonce or fetches one from the
512    /// provider. Only sets it on the transaction when `fill` is true.
513    async fn resolve_nonce(&mut self, from: Address, fill: bool) -> Result<u64> {
514        if let Some(nonce) = self.tx.nonce() {
515            Ok(nonce)
516        } else {
517            let nonce = self.provider.get_transaction_count(from).await?;
518            if fill {
519                self.tx.set_nonce(nonce);
520            }
521            Ok(nonce)
522        }
523    }
524
525    /// Resolves the access list. Fetches from the provider if `--access-list` was passed without
526    /// a value.
527    async fn resolve_access_list(&mut self) -> Result<()> {
528        if let Some(access_list) = match self.access_list.take() {
529            None => None,
530            Some(None) => Some(self.provider.create_access_list(&self.tx).await?.access_list),
531            Some(Some(access_list)) => Some(access_list),
532        } {
533            self.tx.set_access_list(access_list);
534        }
535        Ok(())
536    }
537
538    /// Parses the passed --auth values and sets the authorization list on the transaction.
539    ///
540    /// If a signer is available in `sender`, address-based auths will be signed.
541    /// If no signer is available, all auths must be pre-signed.
542    async fn resolve_auth(&mut self, sender: &SenderKind<'_>, tx_nonce: u64) -> Result<()> {
543        if self.auth.is_empty() {
544            return Ok(());
545        }
546
547        let auths = std::mem::take(&mut self.auth);
548
549        // Validate that at most one address-based auth is provided (multiple addresses are
550        // almost always unintended).
551        let address_auth_count =
552            auths.iter().filter(|a| matches!(a, CliAuthorizationList::Address(_))).count();
553        if address_auth_count > 1 {
554            eyre::bail!(
555                "Multiple address-based authorizations provided. Only one address can be specified; \
556                use pre-signed authorizations (hex-encoded) for multiple authorizations."
557            );
558        }
559
560        let mut signed_auths = Vec::with_capacity(auths.len());
561
562        for auth in auths {
563            let signed_auth = match auth {
564                CliAuthorizationList::Address(address) => {
565                    let auth = Authorization {
566                        chain_id: U256::from(self.chain.id()),
567                        nonce: tx_nonce + 1,
568                        address,
569                    };
570
571                    let Some(signer) = sender.as_signer() else {
572                        eyre::bail!(
573                            "No signer available to sign authorization. \
574                            Provide a pre-signed authorization (hex-encoded) instead."
575                        );
576                    };
577                    let signature = signer.sign_hash(&auth.signature_hash()).await?;
578
579                    auth.into_signed(signature)
580                }
581                CliAuthorizationList::Signed(auth) => auth,
582            };
583            signed_auths.push(signed_auth);
584        }
585
586        self.tx.set_authorization_list(signed_auths);
587
588        Ok(())
589    }
590
591    /// Fills gas price, EIP-1559 fees, blob fees, and gas limit from the provider.
592    ///
593    /// Only fills values that haven't been explicitly set by the user.
594    async fn fill_fees(&mut self) -> Result<()> {
595        if self.legacy && self.tx.gas_price().is_none() {
596            self.tx.set_gas_price(self.provider.get_gas_price().await?);
597        }
598
599        if self.blob && self.tx.max_fee_per_blob_gas().is_none() {
600            self.tx.set_max_fee_per_blob_gas(self.provider.get_blob_base_fee().await?)
601        }
602
603        if !self.legacy
604            && (self.tx.max_fee_per_gas().is_none() || self.tx.max_priority_fee_per_gas().is_none())
605        {
606            let estimate = self.provider.estimate_eip1559_fees().await?;
607
608            if self.tx.max_fee_per_gas().is_none() {
609                self.tx.set_max_fee_per_gas(estimate.max_fee_per_gas);
610            }
611
612            if self.tx.max_priority_fee_per_gas().is_none() {
613                self.tx.set_max_priority_fee_per_gas(estimate.max_priority_fee_per_gas);
614            }
615        }
616
617        if self.tx.gas_limit().is_none() {
618            self.estimate_gas().await?;
619        }
620
621        Ok(())
622    }
623
624    /// Estimate tx gas from provider call. Tries to decode custom error if execution reverted.
625    async fn estimate_gas(&mut self) -> Result<()> {
626        match self.provider.estimate_gas(self.tx.clone()).await {
627            Ok(estimated) => {
628                self.tx.set_gas_limit(estimated);
629                Ok(())
630            }
631            Err(err) => {
632                if let TransportError::ErrorResp(payload) = &err {
633                    // If execution reverted with code 3 during provider gas estimation then try
634                    // to decode custom errors and append it to the error message.
635                    if payload.code == 3
636                        && let Some(data) = &payload.data
637                        && let Ok(Some(decoded_error)) = decode_execution_revert(data).await
638                    {
639                        eyre::bail!("Failed to estimate gas: {}: {}", err, decoded_error)
640                    }
641                }
642                eyre::bail!("Failed to estimate gas: {}", err)
643            }
644        }
645    }
646
647    /// Populates the blob sidecar for the transaction if any blob data was provided.
648    pub fn with_blob_data(mut self, blob_data: Option<Vec<u8>>) -> Result<Self> {
649        let Some(blob_data) = blob_data else { return Ok(self) };
650
651        let mut coder = SidecarBuilder::<SimpleCoder>::default();
652        coder.ingest(&blob_data);
653
654        if self.eip4844 {
655            let sidecar = coder.build_4844()?;
656            self.tx.set_blob_sidecar_4844(sidecar);
657        } else {
658            let sidecar = coder.build_7594()?;
659            self.tx.set_blob_sidecar_7594(sidecar);
660        }
661
662        Ok(self)
663    }
664
665    /// Skips gas, fee and nonce filling. Use for read-only calls
666    /// (eth_call, eth_estimateGas, eth_createAccessList).
667    pub fn raw(mut self) -> Self {
668        self.fill = false;
669        self
670    }
671}
672
673/// Helper function that tries to decode custom error name and inputs from error payload data.
674async fn decode_execution_revert(data: &RawValue) -> Result<Option<String>> {
675    let err_data = serde_json::from_str::<Bytes>(data.get())?;
676    let Some(selector) = err_data.get(..4) else { return Ok(None) };
677    if let Some(known_error) =
678        SignaturesIdentifier::new(false)?.identify_error(selector.try_into().unwrap()).await
679    {
680        let mut decoded_error = known_error.name.clone();
681        if !known_error.inputs.is_empty()
682            && let Ok(error) = known_error.decode_error(&err_data)
683        {
684            write!(decoded_error, "({})", format_tokens(&error.body).format(", "))?;
685        }
686        return Ok(Some(decoded_error));
687    }
688    Ok(None)
689}
cast/tx.rs

cast/
tx.rs
