cast/
args.rs

1use crate::{
2    Cast, SimpleCast,
3    opts::{Cast as CastArgs, CastSubcommand, ToBaseArgs},
4    traces::identifier::SignaturesIdentifier,
5};
6use alloy_consensus::transaction::{Recovered, SignerRecoverable};
7use alloy_dyn_abi::{DynSolValue, ErrorExt, EventExt};
8use alloy_eips::eip7702::SignedAuthorization;
9use alloy_ens::{ProviderEnsExt, namehash};
10use alloy_primitives::{Address, B256, eip191_hash_message, hex, keccak256};
11use alloy_provider::Provider;
12use alloy_rpc_types::{BlockId, BlockNumberOrTag::Latest};
13use clap::{CommandFactory, Parser};
14use clap_complete::generate;
15use eyre::Result;
16use foundry_cli::{utils, utils::LoadConfig};
17use foundry_common::{
18    abi::{get_error, get_event},
19    fmt::{format_tokens, format_uint_exp, serialize_value_as_json},
20    fs,
21    selectors::{
22        ParsedSignatures, SelectorImportData, SelectorKind, decode_calldata, decode_event_topic,
23        decode_function_selector, decode_selectors, import_selectors, parse_signatures,
24        pretty_calldata,
25    },
26    shell, stdin,
27};
28use std::time::Instant;
29
30/// Run the `cast` command-line interface.
31pub fn run() -> Result<()> {
32    setup()?;
33
34    let args = CastArgs::parse();
35    args.global.init()?;
36    args.global.tokio_runtime().block_on(run_command(args))
37}
38
39/// Setup the global logger and other utilities.
40pub fn setup() -> Result<()> {
41    utils::common_setup();
42    utils::subscriber();
43
44    Ok(())
45}
46
47/// Run the subcommand.
48pub async fn run_command(args: CastArgs) -> Result<()> {
49    match args.cmd {
50        // Constants
51        CastSubcommand::MaxInt { r#type } => {
52            sh_println!("{}", SimpleCast::max_int(&r#type)?)?;
53        }
54        CastSubcommand::MinInt { r#type } => {
55            sh_println!("{}", SimpleCast::min_int(&r#type)?)?;
56        }
57        CastSubcommand::MaxUint { r#type } => {
58            sh_println!("{}", SimpleCast::max_int(&r#type)?)?;
59        }
60        CastSubcommand::AddressZero => {
61            sh_println!("{:?}", Address::ZERO)?;
62        }
63        CastSubcommand::HashZero => {
64            sh_println!("{:?}", B256::ZERO)?;
65        }
66
67        // Conversions & transformations
68        CastSubcommand::FromUtf8 { text } => {
69            let value = stdin::unwrap(text, false)?;
70            sh_println!("{}", SimpleCast::from_utf8(&value))?
71        }
72        CastSubcommand::ToAscii { hexdata } => {
73            let value = stdin::unwrap(hexdata, false)?;
74            sh_println!("{}", SimpleCast::to_ascii(value.trim())?)?
75        }
76        CastSubcommand::ToUtf8 { hexdata } => {
77            let value = stdin::unwrap(hexdata, false)?;
78            sh_println!("{}", SimpleCast::to_utf8(&value)?)?
79        }
80        CastSubcommand::FromFixedPoint { value, decimals } => {
81            let (value, decimals) = stdin::unwrap2(value, decimals)?;
82            sh_println!("{}", SimpleCast::from_fixed_point(&value, &decimals)?)?
83        }
84        CastSubcommand::ToFixedPoint { value, decimals } => {
85            let (value, decimals) = stdin::unwrap2(value, decimals)?;
86            sh_println!("{}", SimpleCast::to_fixed_point(&value, &decimals)?)?
87        }
88        CastSubcommand::ConcatHex { data } => {
89            if data.is_empty() {
90                let s = stdin::read(true)?;
91                sh_println!("{}", SimpleCast::concat_hex(s.split_whitespace()))?
92            } else {
93                sh_println!("{}", SimpleCast::concat_hex(data))?
94            }
95        }
96        CastSubcommand::FromBin => {
97            let hex = stdin::read_bytes(false)?;
98            sh_println!("{}", hex::encode_prefixed(hex))?
99        }
100        CastSubcommand::ToHexdata { input } => {
101            let value = stdin::unwrap_line(input)?;
102            let output = match value {
103                s if s.starts_with('@') => hex::encode(std::env::var(&s[1..])?),
104                s if s.starts_with('/') => hex::encode(fs::read(s)?),
105                s => s.split(':').map(|s| s.trim_start_matches("0x").to_lowercase()).collect(),
106            };
107            sh_println!("0x{output}")?
108        }
109        CastSubcommand::ToCheckSumAddress { address, chain_id } => {
110            let value = stdin::unwrap_line(address)?;
111            sh_println!("{}", value.to_checksum(chain_id))?
112        }
113        CastSubcommand::ToUint256 { value } => {
114            let value = stdin::unwrap_line(value)?;
115            sh_println!("{}", SimpleCast::to_uint256(&value)?)?
116        }
117        CastSubcommand::ToInt256 { value } => {
118            let value = stdin::unwrap_line(value)?;
119            sh_println!("{}", SimpleCast::to_int256(&value)?)?
120        }
121        CastSubcommand::ToUnit { value, unit } => {
122            let value = stdin::unwrap_line(value)?;
123            sh_println!("{}", SimpleCast::to_unit(&value, &unit)?)?
124        }
125        CastSubcommand::ParseUnits { value, unit } => {
126            let value = stdin::unwrap_line(value)?;
127            sh_println!("{}", SimpleCast::parse_units(&value, unit)?)?;
128        }
129        CastSubcommand::FormatUnits { value, unit } => {
130            let value = stdin::unwrap_line(value)?;
131            sh_println!("{}", SimpleCast::format_units(&value, unit)?)?;
132        }
133        CastSubcommand::FromWei { value, unit } => {
134            let value = stdin::unwrap_line(value)?;
135            sh_println!("{}", SimpleCast::from_wei(&value, &unit)?)?
136        }
137        CastSubcommand::ToWei { value, unit } => {
138            let value = stdin::unwrap_line(value)?;
139            sh_println!("{}", SimpleCast::to_wei(&value, &unit)?)?
140        }
141        CastSubcommand::FromRlp { value, as_int } => {
142            let value = stdin::unwrap_line(value)?;
143            sh_println!("{}", SimpleCast::from_rlp(value, as_int)?)?
144        }
145        CastSubcommand::ToRlp { value } => {
146            let value = stdin::unwrap_line(value)?;
147            sh_println!("{}", SimpleCast::to_rlp(&value)?)?
148        }
149        CastSubcommand::ToHex(ToBaseArgs { value, base_in }) => {
150            let value = stdin::unwrap_line(value)?;
151            sh_println!("{}", SimpleCast::to_base(&value, base_in.as_deref(), "hex")?)?
152        }
153        CastSubcommand::ToDec(ToBaseArgs { value, base_in }) => {
154            let value = stdin::unwrap_line(value)?;
155            sh_println!("{}", SimpleCast::to_base(&value, base_in.as_deref(), "dec")?)?
156        }
157        CastSubcommand::ToBase { base: ToBaseArgs { value, base_in }, base_out } => {
158            let (value, base_out) = stdin::unwrap2(value, base_out)?;
159            sh_println!("{}", SimpleCast::to_base(&value, base_in.as_deref(), &base_out)?)?
160        }
161        CastSubcommand::ToBytes32 { bytes } => {
162            let value = stdin::unwrap_line(bytes)?;
163            sh_println!("{}", SimpleCast::to_bytes32(&value)?)?
164        }
165        CastSubcommand::Pad { data, right, left: _, len } => {
166            let value = stdin::unwrap_line(data)?;
167            sh_println!("{}", SimpleCast::pad(&value, right, len)?)?
168        }
169        CastSubcommand::FormatBytes32String { string } => {
170            let value = stdin::unwrap_line(string)?;
171            sh_println!("{}", SimpleCast::format_bytes32_string(&value)?)?
172        }
173        CastSubcommand::ParseBytes32String { bytes } => {
174            let value = stdin::unwrap_line(bytes)?;
175            sh_println!("{}", SimpleCast::parse_bytes32_string(&value)?)?
176        }
177        CastSubcommand::ParseBytes32Address { bytes } => {
178            let value = stdin::unwrap_line(bytes)?;
179            sh_println!("{}", SimpleCast::parse_bytes32_address(&value)?)?
180        }
181
182        // ABI encoding & decoding
183        CastSubcommand::DecodeAbi { sig, calldata, input } => {
184            let tokens = SimpleCast::abi_decode(&sig, &calldata, input)?;
185            print_tokens(&tokens);
186        }
187        CastSubcommand::AbiEncode { sig, packed, args } => {
188            if !packed {
189                sh_println!("{}", SimpleCast::abi_encode(&sig, &args)?)?
190            } else {
191                sh_println!("{}", SimpleCast::abi_encode_packed(&sig, &args)?)?
192            }
193        }
194        CastSubcommand::AbiEncodeEvent { sig, args } => {
195            let log_data = SimpleCast::abi_encode_event(&sig, &args)?;
196            for (i, topic) in log_data.topics().iter().enumerate() {
197                sh_println!("[topic{}]: {}", i, topic)?;
198            }
199            if !log_data.data.is_empty() {
200                sh_println!("[data]: {}", hex::encode_prefixed(log_data.data))?;
201            }
202        }
203        CastSubcommand::DecodeCalldata { sig, calldata, file } => {
204            let raw_hex = if let Some(file_path) = file {
205                let contents = fs::read_to_string(&file_path)?;
206                contents.trim().to_string()
207            } else {
208                calldata.unwrap()
209            };
210
211            let tokens = SimpleCast::calldata_decode(&sig, &raw_hex, true)?;
212            print_tokens(&tokens);
213        }
214        CastSubcommand::CalldataEncode { sig, args, file } => {
215            let final_args = if let Some(file_path) = file {
216                let contents = fs::read_to_string(file_path)?;
217                contents
218                    .lines()
219                    .map(str::trim)
220                    .filter(|line| !line.is_empty())
221                    .map(String::from)
222                    .collect()
223            } else {
224                args
225            };
226            sh_println!("{}", SimpleCast::calldata_encode(sig, &final_args)?)?;
227        }
228        CastSubcommand::DecodeString { data } => {
229            let tokens = SimpleCast::calldata_decode("Any(string)", &data, true)?;
230            print_tokens(&tokens);
231        }
232        CastSubcommand::DecodeEvent { sig, data } => {
233            let decoded_event = if let Some(event_sig) = sig {
234                let event = get_event(event_sig.as_str())?;
235                event.decode_log_parts(core::iter::once(event.selector()), &hex::decode(data)?)?
236            } else {
237                let data = data.strip_prefix("0x").unwrap_or(data.as_str());
238                let selector = data.get(..64).unwrap_or_default();
239                let selector = selector.parse()?;
240                let identified_event =
241                    SignaturesIdentifier::new(false)?.identify_event(selector).await;
242                if let Some(event) = identified_event {
243                    let _ = sh_println!("{}", event.signature());
244                    let data = data.get(64..).unwrap_or_default();
245                    get_event(event.signature().as_str())?
246                        .decode_log_parts(core::iter::once(selector), &hex::decode(data)?)?
247                } else {
248                    eyre::bail!("No matching event signature found for selector `{selector}`")
249                }
250            };
251            print_tokens(&decoded_event.body);
252        }
253        CastSubcommand::DecodeError { sig, data } => {
254            let error = if let Some(err_sig) = sig {
255                get_error(err_sig.as_str())?
256            } else {
257                let data = data.strip_prefix("0x").unwrap_or(data.as_str());
258                let selector = data.get(..8).unwrap_or_default();
259                let identified_error =
260                    SignaturesIdentifier::new(false)?.identify_error(selector.parse()?).await;
261                if let Some(error) = identified_error {
262                    let _ = sh_println!("{}", error.signature());
263                    error
264                } else {
265                    eyre::bail!("No matching error signature found for selector `{selector}`")
266                }
267            };
268            let decoded_error = error.decode_error(&hex::decode(data)?)?;
269            print_tokens(&decoded_error.body);
270        }
271        CastSubcommand::Interface(cmd) => cmd.run().await?,
272        CastSubcommand::CreationCode(cmd) => cmd.run().await?,
273        CastSubcommand::ConstructorArgs(cmd) => cmd.run().await?,
274        CastSubcommand::Artifact(cmd) => cmd.run().await?,
275        CastSubcommand::Bind(cmd) => cmd.run().await?,
276        CastSubcommand::B2EPayload(cmd) => cmd.run().await?,
277        CastSubcommand::PrettyCalldata { calldata, offline } => {
278            let calldata = stdin::unwrap_line(calldata)?;
279            sh_println!("{}", pretty_calldata(&calldata, offline).await?)?;
280        }
281        CastSubcommand::Sig { sig, optimize } => {
282            let sig = stdin::unwrap_line(sig)?;
283            match optimize {
284                Some(opt) => {
285                    sh_println!("Starting to optimize signature...")?;
286                    let start_time = Instant::now();
287                    let (selector, signature) = SimpleCast::get_selector(&sig, opt)?;
288                    sh_println!("Successfully generated in {:?}", start_time.elapsed())?;
289                    sh_println!("Selector: {selector}")?;
290                    sh_println!("Optimized signature: {signature}")?;
291                }
292                None => sh_println!("{}", SimpleCast::get_selector(&sig, 0)?.0)?,
293            }
294        }
295
296        // Blockchain & RPC queries
297        CastSubcommand::AccessList(cmd) => cmd.run().await?,
298        CastSubcommand::Age { block, rpc } => {
299            let config = rpc.load_config()?;
300            let provider = utils::get_provider(&config)?;
301            sh_println!(
302                "{} UTC",
303                Cast::new(provider).age(block.unwrap_or(BlockId::Number(Latest))).await?
304            )?
305        }
306        CastSubcommand::Balance { block, who, ether, rpc, erc20 } => {
307            let config = rpc.load_config()?;
308            let provider = utils::get_provider(&config)?;
309            let account_addr = who.resolve(&provider).await?;
310
311            match erc20 {
312                Some(token) => {
313                    let balance =
314                        Cast::new(&provider).erc20_balance(token, account_addr, block).await?;
315                    sh_println!("{}", format_uint_exp(balance))?
316                }
317                None => {
318                    let value = Cast::new(&provider).balance(account_addr, block).await?;
319                    if ether {
320                        sh_println!("{}", SimpleCast::from_wei(&value.to_string(), "eth")?)?
321                    } else {
322                        sh_println!("{value}")?
323                    }
324                }
325            }
326        }
327        CastSubcommand::BaseFee { block, rpc } => {
328            let config = rpc.load_config()?;
329            let provider = utils::get_provider(&config)?;
330            sh_println!(
331                "{}",
332                Cast::new(provider).base_fee(block.unwrap_or(BlockId::Number(Latest))).await?
333            )?
334        }
335        CastSubcommand::Block { block, full, field, raw, rpc } => {
336            let config = rpc.load_config()?;
337            let provider = utils::get_provider(&config)?;
338
339            // Can use either --raw or specify raw as a field
340            let raw = raw || field.as_ref().is_some_and(|f| f == "raw");
341
342            sh_println!(
343                "{}",
344                Cast::new(provider)
345                    .block(block.unwrap_or(BlockId::Number(Latest)), full, field, raw)
346                    .await?
347            )?
348        }
349        CastSubcommand::BlockNumber { rpc, block } => {
350            let config = rpc.load_config()?;
351            let provider = utils::get_provider(&config)?;
352            let number = match block {
353                Some(id) => {
354                    provider
355                        .get_block(id)
356                        .await?
357                        .ok_or_else(|| eyre::eyre!("block {id:?} not found"))?
358                        .header
359                        .number
360                }
361                None => Cast::new(provider).block_number().await?,
362            };
363            sh_println!("{number}")?
364        }
365        CastSubcommand::Chain { rpc } => {
366            let config = rpc.load_config()?;
367            let provider = utils::get_provider(&config)?;
368            sh_println!("{}", Cast::new(provider).chain().await?)?
369        }
370        CastSubcommand::ChainId { rpc } => {
371            let config = rpc.load_config()?;
372            let provider = utils::get_provider(&config)?;
373            sh_println!("{}", Cast::new(provider).chain_id().await?)?
374        }
375        CastSubcommand::Client { rpc } => {
376            let config = rpc.load_config()?;
377            let provider = utils::get_provider(&config)?;
378            sh_println!("{}", provider.get_client_version().await?)?
379        }
380        CastSubcommand::Code { block, who, disassemble, rpc } => {
381            let config = rpc.load_config()?;
382            let provider = utils::get_provider(&config)?;
383            let who = who.resolve(&provider).await?;
384            sh_println!("{}", Cast::new(provider).code(who, block, disassemble).await?)?
385        }
386        CastSubcommand::Codesize { block, who, rpc } => {
387            let config = rpc.load_config()?;
388            let provider = utils::get_provider(&config)?;
389            let who = who.resolve(&provider).await?;
390            sh_println!("{}", Cast::new(provider).codesize(who, block).await?)?
391        }
392        CastSubcommand::ComputeAddress { address, nonce, salt, init_code, init_code_hash, rpc } => {
393            let address = stdin::unwrap_line(address)?;
394            let computed = {
395                // For CREATE2, init_code_hash is needed to compute the address
396                if let Some(init_code_hash) = init_code_hash {
397                    address.create2(salt.unwrap_or(B256::ZERO), init_code_hash)
398                } else if let Some(init_code) = init_code {
399                    address.create2(salt.unwrap_or(B256::ZERO), keccak256(hex::decode(init_code)?))
400                } else {
401                    // For CREATE, rpc is needed to compute the address
402                    let config = rpc.load_config()?;
403                    let provider = utils::get_provider(&config)?;
404                    Cast::new(provider).compute_address(address, nonce).await?
405                }
406            };
407            sh_println!("Computed Address: {}", computed.to_checksum(None))?
408        }
409        CastSubcommand::Disassemble { bytecode } => {
410            let bytecode = stdin::unwrap_line(bytecode)?;
411            sh_println!("{}", SimpleCast::disassemble(&hex::decode(bytecode)?)?)?
412        }
413        CastSubcommand::Selectors { bytecode, resolve } => {
414            let bytecode = stdin::unwrap_line(bytecode)?;
415            let functions = SimpleCast::extract_functions(&bytecode)?;
416            let max_args_len = functions.iter().map(|r| r.1.len()).max().unwrap_or(0);
417            let max_mutability_len = functions.iter().map(|r| r.2.len()).max().unwrap_or(0);
418
419            let resolve_results = if resolve {
420                let selectors = functions
421                    .iter()
422                    .map(|&(selector, ..)| SelectorKind::Function(selector))
423                    .collect::<Vec<_>>();
424                let ds = decode_selectors(&selectors).await?;
425                ds.into_iter().map(|v| v.join("|")).collect()
426            } else {
427                vec![]
428            };
429            for (pos, (selector, arguments, state_mutability)) in functions.into_iter().enumerate()
430            {
431                if resolve {
432                    let resolved = &resolve_results[pos];
433                    sh_println!(
434                        "{selector}\t{arguments:max_args_len$}\t{state_mutability:max_mutability_len$}\t{resolved}"
435                    )?
436                } else {
437                    sh_println!("{selector}\t{arguments:max_args_len$}\t{state_mutability}")?
438                }
439            }
440        }
441        CastSubcommand::FindBlock(cmd) => cmd.run().await?,
442        CastSubcommand::GasPrice { rpc } => {
443            let config = rpc.load_config()?;
444            let provider = utils::get_provider(&config)?;
445            sh_println!("{}", Cast::new(provider).gas_price().await?)?;
446        }
447        CastSubcommand::Index { key_type, key, slot_number } => {
448            sh_println!("{}", SimpleCast::index(&key_type, &key, &slot_number)?)?;
449        }
450        CastSubcommand::IndexErc7201 { id, formula_id } => {
451            eyre::ensure!(formula_id == "erc7201", "unsupported formula ID: {formula_id}");
452            let id = stdin::unwrap_line(id)?;
453            sh_println!("{}", foundry_common::erc7201(&id))?;
454        }
455        CastSubcommand::Implementation { block, beacon, who, rpc } => {
456            let config = rpc.load_config()?;
457            let provider = utils::get_provider(&config)?;
458            let who = who.resolve(&provider).await?;
459            sh_println!("{}", Cast::new(provider).implementation(who, beacon, block).await?)?;
460        }
461        CastSubcommand::Admin { block, who, rpc } => {
462            let config = rpc.load_config()?;
463            let provider = utils::get_provider(&config)?;
464            let who = who.resolve(&provider).await?;
465            sh_println!("{}", Cast::new(provider).admin(who, block).await?)?;
466        }
467        CastSubcommand::Nonce { block, who, rpc } => {
468            let config = rpc.load_config()?;
469            let provider = utils::get_provider(&config)?;
470            let who = who.resolve(&provider).await?;
471            sh_println!("{}", Cast::new(provider).nonce(who, block).await?)?;
472        }
473        CastSubcommand::Codehash { block, who, slots, rpc } => {
474            let config = rpc.load_config()?;
475            let provider = utils::get_provider(&config)?;
476            let who = who.resolve(&provider).await?;
477            sh_println!("{}", Cast::new(provider).codehash(who, slots, block).await?)?;
478        }
479        CastSubcommand::StorageRoot { block, who, slots, rpc } => {
480            let config = rpc.load_config()?;
481            let provider = utils::get_provider(&config)?;
482            let who = who.resolve(&provider).await?;
483            sh_println!("{}", Cast::new(provider).storage_root(who, slots, block).await?)?;
484        }
485        CastSubcommand::Proof { address, slots, rpc, block } => {
486            let config = rpc.load_config()?;
487            let provider = utils::get_provider(&config)?;
488            let address = address.resolve(&provider).await?;
489            let value = provider
490                .get_proof(address, slots.into_iter().collect())
491                .block_id(block.unwrap_or_default())
492                .await?;
493            sh_println!("{}", serde_json::to_string(&value)?)?;
494        }
495        CastSubcommand::Rpc(cmd) => cmd.run().await?,
496        CastSubcommand::Storage(cmd) => cmd.run().await?,
497
498        // Calls & transactions
499        CastSubcommand::Call(cmd) => cmd.run().await?,
500        CastSubcommand::Estimate(cmd) => cmd.run().await?,
501        CastSubcommand::MakeTx(cmd) => cmd.run().await?,
502        CastSubcommand::PublishTx { raw_tx, cast_async, rpc } => {
503            let config = rpc.load_config()?;
504            let provider = utils::get_provider(&config)?;
505            let cast = Cast::new(&provider);
506            let pending_tx = cast.publish(raw_tx).await?;
507            let tx_hash = pending_tx.inner().tx_hash();
508
509            if cast_async {
510                sh_println!("{tx_hash:#x}")?;
511            } else {
512                let receipt = pending_tx.get_receipt().await?;
513                sh_println!("{}", serde_json::json!(receipt))?;
514            }
515        }
516        CastSubcommand::Receipt { tx_hash, field, cast_async, confirmations, rpc } => {
517            let config = rpc.load_config()?;
518            let provider = utils::get_provider(&config)?;
519            sh_println!(
520                "{}",
521                Cast::new(provider)
522                    .receipt(tx_hash, field, confirmations, None, cast_async)
523                    .await?
524            )?
525        }
526        CastSubcommand::Run(cmd) => cmd.run().await?,
527        CastSubcommand::SendTx(cmd) => cmd.run().await?,
528        CastSubcommand::Tx { tx_hash, from, nonce, field, raw, rpc, to_request } => {
529            let config = rpc.load_config()?;
530            let provider = utils::get_provider(&config)?;
531
532            // Can use either --raw or specify raw as a field
533            let raw = raw || field.as_ref().is_some_and(|f| f == "raw");
534
535            sh_println!(
536                "{}",
537                Cast::new(&provider)
538                    .transaction(tx_hash, from, nonce, field, raw, to_request)
539                    .await?
540            )?
541        }
542
543        // 4Byte
544        CastSubcommand::FourByte { selector } => {
545            let selector = stdin::unwrap_line(selector)?;
546            let sigs = decode_function_selector(selector).await?;
547            if sigs.is_empty() {
548                eyre::bail!("No matching function signatures found for selector `{selector}`");
549            }
550            for sig in sigs {
551                sh_println!("{sig}")?
552            }
553        }
554
555        CastSubcommand::FourByteCalldata { calldata } => {
556            let calldata = stdin::unwrap_line(calldata)?;
557
558            if calldata.len() == 10 {
559                let sigs = decode_function_selector(calldata.parse()?).await?;
560                if sigs.is_empty() {
561                    eyre::bail!("No matching function signatures found for calldata `{calldata}`");
562                }
563                for sig in sigs {
564                    sh_println!("{sig}")?
565                }
566                return Ok(());
567            }
568
569            let sigs = decode_calldata(&calldata).await?;
570            sigs.iter().enumerate().for_each(|(i, sig)| {
571                let _ = sh_println!("{}) \"{sig}\"", i + 1);
572            });
573
574            let sig = match sigs.len() {
575                0 => eyre::bail!("No signatures found"),
576                1 => sigs.first().unwrap(),
577                _ => {
578                    let i: usize = prompt!("Select a function signature by number: ")?;
579                    sigs.get(i - 1).ok_or_else(|| eyre::eyre!("Invalid signature index"))?
580                }
581            };
582
583            let tokens = SimpleCast::calldata_decode(sig, &calldata, true)?;
584            print_tokens(&tokens);
585        }
586
587        CastSubcommand::FourByteEvent { topic } => {
588            let topic = stdin::unwrap_line(topic)?;
589            let sigs = decode_event_topic(topic).await?;
590            if sigs.is_empty() {
591                eyre::bail!("No matching event signatures found for topic `{topic}`");
592            }
593            for sig in sigs {
594                sh_println!("{sig}")?
595            }
596        }
597        CastSubcommand::UploadSignature { signatures } => {
598            let signatures = stdin::unwrap_vec(signatures)?;
599            let ParsedSignatures { signatures, abis } = parse_signatures(signatures);
600            if !abis.is_empty() {
601                import_selectors(SelectorImportData::Abi(abis)).await?.describe();
602            }
603            if !signatures.is_empty() {
604                import_selectors(SelectorImportData::Raw(signatures)).await?.describe();
605            }
606        }
607
608        // ENS
609        CastSubcommand::Namehash { name } => {
610            let name = stdin::unwrap_line(name)?;
611            sh_println!("{}", namehash(&name))?
612        }
613        CastSubcommand::LookupAddress { who, rpc, verify } => {
614            let config = rpc.load_config()?;
615            let provider = utils::get_provider(&config)?;
616
617            let who = stdin::unwrap_line(who)?;
618            let name = provider.lookup_address(&who).await?;
619            if verify {
620                let address = provider.resolve_name(&name).await?;
621                eyre::ensure!(
622                    address == who,
623                    "Reverse lookup verification failed: got `{address}`, expected `{who}`"
624                );
625            }
626            sh_println!("{name}")?
627        }
628        CastSubcommand::ResolveName { who, rpc, verify } => {
629            let config = rpc.load_config()?;
630            let provider = utils::get_provider(&config)?;
631
632            let who = stdin::unwrap_line(who)?;
633            let address = provider.resolve_name(&who).await?;
634            if verify {
635                let name = provider.lookup_address(&address).await?;
636                eyre::ensure!(
637                    name == who,
638                    "Forward lookup verification failed: got `{name}`, expected `{who}`"
639                );
640            }
641            sh_println!("{address}")?
642        }
643
644        // Misc
645        CastSubcommand::Keccak { data } => {
646            let bytes = match data {
647                Some(data) => data.into_bytes(),
648                None => stdin::read_bytes(false)?,
649            };
650            match String::from_utf8(bytes) {
651                Ok(s) => {
652                    let s = SimpleCast::keccak(&s)?;
653                    sh_println!("{s}")?
654                }
655                Err(e) => {
656                    let hash = keccak256(e.as_bytes());
657                    let s = hex::encode(hash);
658                    sh_println!("0x{s}")?
659                }
660            };
661        }
662        CastSubcommand::HashMessage { message } => {
663            let message = stdin::unwrap(message, false)?;
664            sh_println!("{}", eip191_hash_message(message))?
665        }
666        CastSubcommand::SigEvent { event_string } => {
667            let event_string = stdin::unwrap_line(event_string)?;
668            let parsed_event = get_event(&event_string)?;
669            sh_println!("{:?}", parsed_event.selector())?
670        }
671        CastSubcommand::LeftShift { value, bits, base_in, base_out } => sh_println!(
672            "{}",
673            SimpleCast::left_shift(&value, &bits, base_in.as_deref(), &base_out)?
674        )?,
675        CastSubcommand::RightShift { value, bits, base_in, base_out } => sh_println!(
676            "{}",
677            SimpleCast::right_shift(&value, &bits, base_in.as_deref(), &base_out)?
678        )?,
679        CastSubcommand::Source {
680            address,
681            directory,
682            explorer_api_url,
683            explorer_url,
684            etherscan,
685            flatten,
686        } => {
687            let config = etherscan.load_config()?;
688            let chain = config.chain.unwrap_or_default();
689            let api_key = config.get_etherscan_api_key(Some(chain));
690            match (directory, flatten) {
691                (Some(dir), false) => {
692                    SimpleCast::expand_etherscan_source_to_directory(
693                        chain,
694                        address,
695                        api_key,
696                        dir,
697                        explorer_api_url,
698                        explorer_url,
699                    )
700                    .await?
701                }
702                (None, false) => sh_println!(
703                    "{}",
704                    SimpleCast::etherscan_source(
705                        chain,
706                        address,
707                        api_key,
708                        explorer_api_url,
709                        explorer_url
710                    )
711                    .await?
712                )?,
713                (dir, true) => {
714                    SimpleCast::etherscan_source_flatten(
715                        chain,
716                        address,
717                        api_key,
718                        dir,
719                        explorer_api_url,
720                        explorer_url,
721                    )
722                    .await?;
723                }
724            }
725        }
726        CastSubcommand::Create2(cmd) => {
727            cmd.run()?;
728        }
729        CastSubcommand::Wallet { command } => command.run().await?,
730        CastSubcommand::Completions { shell } => {
731            generate(shell, &mut CastArgs::command(), "cast", &mut std::io::stdout())
732        }
733        CastSubcommand::Logs(cmd) => cmd.run().await?,
734        CastSubcommand::DecodeTransaction { tx } => {
735            let tx = stdin::unwrap_line(tx)?;
736            let tx = SimpleCast::decode_raw_transaction(&tx)?;
737
738            if let Ok(signer) = tx.recover_signer() {
739                let recovered = Recovered::new_unchecked(tx, signer);
740                sh_println!("{}", serde_json::to_string_pretty(&recovered)?)?;
741            } else {
742                sh_println!("{}", serde_json::to_string_pretty(&tx)?)?;
743            }
744        }
745        CastSubcommand::RecoverAuthority { auth } => {
746            let auth: SignedAuthorization = serde_json::from_str(&auth)?;
747            sh_println!("{}", auth.recover_authority()?)?;
748        }
749        CastSubcommand::TxPool { command } => command.run().await?,
750        CastSubcommand::DAEstimate(cmd) => {
751            cmd.run().await?;
752        }
753    };
754
755    /// Prints slice of tokens using [`format_tokens`] or [`serialize_value_as_json`] depending
756    /// whether the shell is in JSON mode.
757    ///
758    /// This is included here to avoid a cyclic dependency between `fmt` and `common`.
759    fn print_tokens(tokens: &[DynSolValue]) {
760        if shell::is_json() {
761            let tokens: Vec<serde_json::Value> = tokens
762                .iter()
763                .cloned()
764                .map(|t| serialize_value_as_json(t, None))
765                .collect::<Result<Vec<_>>>()
766                .unwrap();
767            let _ = sh_println!("{}", serde_json::to_string_pretty(&tokens).unwrap());
768        } else {
769            let tokens = format_tokens(tokens);
770            tokens.for_each(|t| {
771                let _ = sh_println!("{t}");
772            });
773        }
774    }
775
776    Ok(())
777}
cast/args.rs

cast/
args.rs
