fix: allow usage of decimal string encoding for fields larger than a i128
#2547
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kevaundray
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Sep 4, 2023
kevaundray
reviewed
Sep 4, 2023
kevaundray
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Sep 4, 2023
TomAFrench
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Sep 5, 2023
* master: chore: Replace hashers of hashmaps in dfg with fxhashes (#2490) chore: remove duplicate span from FunctionReturnType (#2546) feat: Add support for brillig call stacks in runtime errors (#2549) feat: add `noirc_abi_wasm` crate for ABI encoding in JS (#1945) chore: move CRS files into their own directory (#2558) chore: Cleanup `rebuild.sh` script (#2470) chore(ci): add mocked backend binary to improve `compile_success_empty` tests (#2554) chore: add noir-source-resolver (#2485) chore: fix double verify proof (#2556) feat: add `nargo backend ls` and `nargo backend use` command to switch between backends (#2552) chore(ci): bump checkout action to v4 (#2551) feat: Support for optional assertion messages (#2491) fix: allow usage of decimal string encoding for fields larger than a `i128` (#2547) feat(nargo): add hidden option to produce JSON output from `nargo info` (#2542) chore(stdlib)!: Rename `fixed_base_scalar_mul` to be more descriptive (#2488) chore: Document requirement for range opcode on `r_witness` in `GeneratedAcir::euclidean_division` (#2437) chore!: ACVM 0.24 (#2504) fix(aztec_noir): generalise loop to not always inject a hasher instance (#2529) chore: create helper functions for writing programs and contracts to file (#2526)
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Description
Problem*
Resolves #2545
Resolves partly #2456
Summary*
When parsing fields from strings, we're currently converting the string into an
i128temporarily if it's a decimal representation. This limits the size of values which can be passed in as a decimal string compared to hex strings.We now instead parse using a
BigUintto ensure that we can handle all inputs.Documentation
This PR requires documentation updates when merged.
Additional Context
Note that
FieldElementhas atry_from_strimplementation but as it returns anOption<FieldElement>rather than aResult<FieldElement, Err>, it's then not suitable for dealing with user input.https://github.com/noir-lang/acvm/blob/5ad18bf8b365b57ba4c6f84004b5178e54562e7e/acir_field/src/generic_ark.rs#L204-L211
PR Checklist*
cargo fmton default settings.