Correct EIP-712 encoding (#11092)
* support encoding custom array types as fields * new line * removed expect * Update util/EIP-712/src/encode.rs Co-Authored-By: Andronik Ordian <write@reusable.software> * bump lunarity * update cargo lock * nits * nits
This commit is contained in:
Seun LanLege
GitHub
parent
4979c62bb5
commit
8471b91002
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@ -815,13 +815,12 @@ dependencies = [
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"itertools 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"keccak-hash 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"lunarity-lexer 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"lunarity-lexer 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_derive 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
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"toolshed 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"validator 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"validator_derive 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -2456,6 +2455,27 @@ dependencies = [
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"cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "logos"
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version = "0.7.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"logos-derive 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)",
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"toolshed 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "logos-derive"
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version = "0.7.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
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"utf8-ranges 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "lru-cache"
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version = "0.1.2"
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@ -2466,10 +2486,10 @@ dependencies = [
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[[package]]
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name = "lunarity-lexer"
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version = "0.1.0"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"toolshed 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"logos 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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@ -4704,7 +4724,7 @@ dependencies = [
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[[package]]
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name = "toolshed"
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version = "0.4.0"
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version = "0.6.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"fxhash 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -4905,6 +4925,11 @@ dependencies = [
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name = "using_queue"
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version = "0.1.0"
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[[package]]
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name = "utf8-ranges"
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "validator"
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version = "0.8.0"
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@ -5377,8 +5402,10 @@ dependencies = [
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"checksum lock_api 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ed946d4529956a20f2d63ebe1b69996d5a2137c91913fe3ebbeff957f5bca7ff"
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"checksum lock_api 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f8912e782533a93a167888781b836336a6ca5da6175c05944c86cf28c31104dc"
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"checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
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"checksum logos 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)" = "60ca690691528b32832c7e8aaae8ae1edcdee4e9ffde55b2d31a4795bc7a12d0"
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"checksum logos-derive 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)" = "917dccdd529d5681f3d28b26bcfdafd2ed67fe4f26d15b5ac679f67b55279f3d"
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"checksum lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
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"checksum lunarity-lexer 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8a1670671f305792567116d4660e6e5bd785d6fa973e817c3445c0a7a54cecb6"
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"checksum lunarity-lexer 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "28a5446c03ed5bd4ae2cca322c4c84d9bd9741b6788f75c404719474cb63d3b7"
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"checksum malloc_size_of_derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "35adee9ed962cf7d07d62cb58bc45029f3227f5b5b86246caa8632f06c187bc3"
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"checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
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"checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
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@ -5559,7 +5586,7 @@ dependencies = [
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"checksum tokio-uds 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "22e3aa6d1fcc19e635418dc0a30ab5bd65d347973d6f43f1a37bf8d9d1335fc9"
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"checksum toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "758664fc71a3a69038656bee8b6be6477d2a6c315a6b81f7081f591bffa4111f"
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"checksum toml 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b8c96d7873fa7ef8bdeb3a9cda3ac48389b4154f32b9803b4bc26220b677b039"
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"checksum toolshed 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "450441e131c7663af72e63a33c02a6a1fbaaa8601dc652ed6757813bb55aeec7"
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"checksum toolshed 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "54a272adbf14cfbb486774d09ee3e00c38d488cd390084a528f70e10e3a184a8"
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"checksum trace-time 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe82f2f0bf1991e163e757baf044282823155dd326e70f44ce2186c3c320cc9"
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"checksum transaction-pool 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "454adc482e32785c3beab9415dd0f3c689f29cc2d16717eb62f6a784d53544b4"
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"checksum transient-hashmap 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "aeb4b191d033a35edfce392a38cdcf9790b6cebcb30fa690c312c29da4dc433e"
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@ -5580,6 +5607,7 @@ dependencies = [
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"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
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"checksum untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
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"checksum url 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2a321979c09843d272956e73700d12c4e7d3d92b2ee112b31548aef0d4efc5a6"
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"checksum utf8-ranges 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b4ae116fef2b7fea257ed6440d3cfcff7f190865f170cdad00bb6465bf18ecba"
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"checksum validator 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "236a5eda3df2c877872e98dbc55d497d943792e6405d8fc65bd4f8a5e3b53c99"
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"checksum validator_derive 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d360d6f5754972c0c1da14fb3d5580daa31aee566e1e45e2f8d3bf5950ecd3e9"
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"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
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@ -20,10 +20,9 @@ ethereum-types = "0.6.0"
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failure = "0.1"
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itertools = "0.7"
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lazy_static = "1.1"
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toolshed = "0.4"
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regex = "1.0"
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validator = "0.8"
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validator_derive = "0.8"
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lunarity-lexer = "0.1"
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lunarity-lexer = "0.2"
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rustc-hex = "2.0"
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indexmap = "1.0.2"
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@ -23,7 +23,7 @@ use std::str::FromStr;
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use itertools::Itertools;
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use indexmap::IndexSet;
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use serde_json::to_value;
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use crate::parser::{Parser, Type};
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use crate::parser::{parse_type, Type};
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use crate::error::{Result, ErrorKind, serde_error};
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use crate::eip712::{EIP712, MessageTypes};
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use rustc_hex::FromHex;
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@ -56,11 +56,16 @@ fn build_dependencies<'a>(message_type: &'a str, message_types: &'a MessageTypes
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deps.insert(item);
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for field in fields {
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// check if this field is an array type
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let field_type = if let Some(index) = field.type_.find('[') {
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&field.type_[..index]
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} else {
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&field.type_
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};
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// seen this type before? or not a custom type skip
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if deps.contains(&*field.type_) || !message_types.contains_key(&*field.type_) {
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continue;
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if !deps.contains(field_type) || message_types.contains_key(field_type) {
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types.insert(field_type);
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}
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types.insert(&*field.type_);
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}
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}
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};
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@ -70,7 +75,8 @@ fn build_dependencies<'a>(message_type: &'a str, message_types: &'a MessageTypes
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fn encode_type(message_type: &str, message_types: &MessageTypes) -> Result<String> {
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let deps = {
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let mut temp = build_dependencies(message_type, message_types).ok_or_else(|| ErrorKind::NonExistentType)?;
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let mut temp = build_dependencies(message_type, message_types)
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.ok_or(ErrorKind::NonExistentType)?;
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temp.remove(message_type);
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let mut temp = temp.into_iter().collect::<Vec<_>>();
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(&mut temp[..]).sort_unstable();
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@ -99,7 +105,6 @@ fn type_hash(message_type: &str, typed_data: &MessageTypes) -> Result<H256> {
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}
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fn encode_data(
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parser: &Parser,
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message_type: &Type,
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message_types: &MessageTypes,
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value: &Value,
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@ -112,17 +117,25 @@ fn encode_data(
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length
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} => {
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let mut items = vec![];
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let values = value.as_array().ok_or_else(|| serde_error("array", field_name))?;
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let values = value.as_array()
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.ok_or(serde_error("array", field_name))?;
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// check if the type definition actually matches
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// the length of items to be encoded
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if length.is_some() && Some(values.len() as u64) != *length {
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let array_type = format!("{}[{}]", *inner, length.unwrap());
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return Err(ErrorKind::UnequalArrayItems(length.unwrap(), array_type, values.len() as u64))?
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return Err(
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ErrorKind::UnequalArrayItems(length.unwrap(), array_type, values.len() as u64)
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)?
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}
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for item in values {
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let mut encoded = encode_data(parser, &*inner, &message_types, item, field_name)?;
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let mut encoded = encode_data(
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&*inner,
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&message_types,
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item,
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field_name
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)?;
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items.append(&mut encoded);
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}
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@ -135,8 +148,13 @@ fn encode_data(
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for field in message_types.get(ident).expect("Already checked in match guard; qed") {
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let value = &value[&field.name];
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let type_ = parser.parse_type(&*field.type_)?;
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let mut encoded = encode_data(parser, &type_, &message_types, &value, Some(&*field.name))?;
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let type_ = parse_type(&*field.type_)?;
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let mut encoded = encode_data(
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&type_,
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&message_types,
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&value,
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Some(&*field.name)
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)?;
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tokens.append(&mut encoded);
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}
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@ -144,7 +162,8 @@ fn encode_data(
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}
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Type::Bytes => {
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let string = value.as_str().ok_or_else(|| serde_error("string", field_name))?;
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let string = value.as_str()
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.ok_or(serde_error("string", field_name))?;
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check_hex(&string)?;
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@ -157,7 +176,8 @@ fn encode_data(
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}
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Type::Byte(_) => {
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let string = value.as_str().ok_or_else(|| serde_error("string", field_name))?;
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let string = value.as_str()
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.ok_or(serde_error("string", field_name))?;
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check_hex(&string)?;
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@ -169,28 +189,34 @@ fn encode_data(
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}
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Type::String => {
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let value = value.as_str().ok_or_else(|| serde_error("string", field_name))?;
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let value = value.as_str()
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.ok_or(serde_error("string", field_name))?;
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let hash = keccak(value).as_ref().to_vec();
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encode(&[EthAbiToken::FixedBytes(hash)])
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}
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Type::Bool => encode(&[EthAbiToken::Bool(value.as_bool().ok_or_else(|| serde_error("bool", field_name))?)]),
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Type::Bool => encode(&[EthAbiToken::Bool(value.as_bool()
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.ok_or(serde_error("bool", field_name))?)]),
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Type::Address => {
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let addr = value.as_str().ok_or_else(|| serde_error("string", field_name))?;
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let addr = value.as_str()
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.ok_or(serde_error("string", field_name))?;
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if addr.len() != 42 {
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return Err(ErrorKind::InvalidAddressLength(addr.len()))?;
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}
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let address = EthAddress::from_str(&addr[2..]).map_err(|err| ErrorKind::HexParseError(format!("{}", err)))?;
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let address = EthAddress::from_str(&addr[2..])
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.map_err(|err| ErrorKind::HexParseError(format!("{}", err)))?;
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encode(&[EthAbiToken::Address(address)])
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}
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Type::Uint | Type::Int => {
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let string = value.as_str().ok_or_else(|| serde_error("int/uint", field_name))?;
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let string = value.as_str()
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.ok_or(serde_error("int/uint", field_name))?;
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check_hex(&string)?;
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let uint = U256::from_str(&string[2..]).map_err(|err| ErrorKind::HexParseError(format!("{}", err)))?;
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let uint = U256::from_str(&string[2..])
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.map_err(|err| ErrorKind::HexParseError(format!("{}", err)))?;
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let token = if *message_type == Type::Uint {
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EthAbiToken::Uint(uint)
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@ -200,7 +226,12 @@ fn encode_data(
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encode(&[token])
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}
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_ => return Err(ErrorKind::UnknownType(format!("{}", field_name.unwrap_or("")), format!("{}", *message_type)))?
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_ => return Err(
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ErrorKind::UnknownType(
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format!("{}", field_name.unwrap_or("")),
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format!("{}", *message_type)
|
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).into()
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)
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};
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Ok(encoded)
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@ -213,10 +244,19 @@ pub fn hash_structured_data(typed_data: EIP712) -> Result<H256> {
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// EIP-191 compliant
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let prefix = (b"\x19\x01").to_vec();
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let domain = to_value(&typed_data.domain).unwrap();
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let parser = Parser::new();
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let (domain_hash, data_hash) = (
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encode_data(&parser, &Type::Custom("EIP712Domain".into()), &typed_data.types, &domain, None)?,
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encode_data(&parser, &Type::Custom(typed_data.primary_type), &typed_data.types, &typed_data.message, None)?
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encode_data(
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&Type::Custom("EIP712Domain".into()),
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&typed_data.types,
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&domain,
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None
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)?,
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encode_data(
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&Type::Custom(typed_data.primary_type),
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&typed_data.types,
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&typed_data.message,
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None
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)?
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);
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let concat = [&prefix[..], &domain_hash[..], &data_hash[..]].concat();
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Ok(keccak(concat))
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|
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@ -412,4 +452,196 @@ mod tests {
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ErrorKind::UnequalArrayItems(2, "Person[2]".into(), 1)
|
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)
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}
|
||||
|
||||
#[test]
|
||||
fn test_typed_data_v4() {
|
||||
let string = r#"{
|
||||
"types": {
|
||||
"EIP712Domain": [
|
||||
{
|
||||
"name": "name",
|
||||
"type": "string"
|
||||
},
|
||||
{
|
||||
"name": "version",
|
||||
"type": "string"
|
||||
},
|
||||
{
|
||||
"name": "chainId",
|
||||
"type": "uint256"
|
||||
},
|
||||
{
|
||||
"name": "verifyingContract",
|
||||
"type": "address"
|
||||
}
|
||||
],
|
||||
"Person": [
|
||||
{
|
||||
"name": "name",
|
||||
"type": "string"
|
||||
},
|
||||
{
|
||||
"name": "wallets",
|
||||
"type": "address[]"
|
||||
}
|
||||
],
|
||||
"Mail": [
|
||||
{
|
||||
"name": "from",
|
||||
"type": "Person"
|
||||
},
|
||||
{
|
||||
"name": "to",
|
||||
"type": "Person[]"
|
||||
},
|
||||
{
|
||||
"name": "contents",
|
||||
"type": "string"
|
||||
}
|
||||
],
|
||||
"Group": [
|
||||
{
|
||||
"name": "name",
|
||||
"type": "string"
|
||||
},
|
||||
{
|
||||
"name": "members",
|
||||
"type": "Person[]"
|
||||
}
|
||||
]
|
||||
},
|
||||
"domain": {
|
||||
"name": "Ether Mail",
|
||||
"version": "1",
|
||||
"chainId": "0x1",
|
||||
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
|
||||
},
|
||||
"primaryType": "Mail",
|
||||
"message": {
|
||||
"from": {
|
||||
"name": "Cow",
|
||||
"wallets": [
|
||||
"0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826",
|
||||
"0xDeaDbeefdEAdbeefdEadbEEFdeadbeEFdEaDbeeF"
|
||||
]
|
||||
},
|
||||
"to": [
|
||||
{
|
||||
"name": "Bob",
|
||||
"wallets": [
|
||||
"0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB",
|
||||
"0xB0BdaBea57B0BDABeA57b0bdABEA57b0BDabEa57",
|
||||
"0xB0B0b0b0b0b0B000000000000000000000000000"
|
||||
]
|
||||
}
|
||||
],
|
||||
"contents": "Hello, Bob!"
|
||||
}
|
||||
}"#;
|
||||
|
||||
let typed_data = from_str::<EIP712>(string).expect("alas error!");
|
||||
let hash = hash_structured_data(typed_data.clone()).expect("alas error!");
|
||||
assert_eq!(
|
||||
&format!("{:x}", hash)[..],
|
||||
|
||||
"a85c2e2b118698e88db68a8105b794a8cc7cec074e89ef991cb4f5f533819cc2",
|
||||
);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_typed_data_v4_custom_array() {
|
||||
let string = r#"{
|
||||
"types": {
|
||||
"EIP712Domain": [
|
||||
{
|
||||
"name": "name",
|
||||
"type": "string"
|
||||
},
|
||||
{
|
||||
"name": "version",
|
||||
"type": "string"
|
||||
},
|
||||
{
|
||||
"name": "chainId",
|
||||
"type": "uint256"
|
||||
},
|
||||
{
|
||||
"name": "verifyingContract",
|
||||
"type": "address"
|
||||
}
|
||||
],
|
||||
"Person": [
|
||||
{
|
||||
"name": "name",
|
||||
"type": "string"
|
||||
},
|
||||
{
|
||||
"name": "wallets",
|
||||
"type": "address[]"
|
||||
}
|
||||
],
|
||||
"Mail": [
|
||||
{
|
||||
"name": "from",
|
||||
"type": "Person"
|
||||
},
|
||||
{
|
||||
"name": "to",
|
||||
"type": "Group"
|
||||
},
|
||||
{
|
||||
"name": "contents",
|
||||
"type": "string"
|
||||
}
|
||||
],
|
||||
"Group": [
|
||||
{
|
||||
"name": "name",
|
||||
"type": "string"
|
||||
},
|
||||
{
|
||||
"name": "members",
|
||||
"type": "Person[]"
|
||||
}
|
||||
]
|
||||
},
|
||||
"domain": {
|
||||
"name": "Ether Mail",
|
||||
"version": "1",
|
||||
"chainId": "0x1",
|
||||
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
|
||||
},
|
||||
"primaryType": "Mail",
|
||||
"message": {
|
||||
"from": {
|
||||
"name": "Cow",
|
||||
"wallets": [
|
||||
"0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826",
|
||||
"0xDeaDbeefdEAdbeefdEadbEEFdeadbeEFdEaDbeeF"
|
||||
]
|
||||
},
|
||||
"to": {
|
||||
"name": "Farmers",
|
||||
"members": [
|
||||
{
|
||||
"name": "Bob",
|
||||
"wallets": [
|
||||
"0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB",
|
||||
"0xB0BdaBea57B0BDABeA57b0bdABEA57b0BDabEa57",
|
||||
"0xB0B0b0b0b0b0B000000000000000000000000000"
|
||||
]
|
||||
}
|
||||
]
|
||||
},
|
||||
"contents": "Hello, Bob!"
|
||||
}
|
||||
}"#;
|
||||
let typed_data = from_str::<EIP712>(string).expect("alas error!");
|
||||
let hash = hash_structured_data(typed_data.clone()).expect("alas error!");
|
||||
|
||||
assert_eq!(
|
||||
&format!("{:x}", hash)[..],
|
||||
"cd8b34cd09c541cfc0a2fcd147e47809b98b335649c2aa700db0b0c4501a02a0",
|
||||
);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,7 +17,6 @@
|
|||
//! Solidity type-name parsing
|
||||
use lunarity_lexer::{Lexer, Token};
|
||||
use crate::error::*;
|
||||
use toolshed::Arena;
|
||||
use std::{fmt, result};
|
||||
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
|
|
@ -68,81 +67,70 @@ impl fmt::Display for Type {
|
|||
}
|
||||
}
|
||||
|
||||
pub struct Parser {
|
||||
arena: Arena,
|
||||
}
|
||||
|
||||
impl Parser {
|
||||
pub fn new() -> Self {
|
||||
Parser {
|
||||
arena: Arena::new()
|
||||
}
|
||||
}
|
||||
/// the type string is being validated before it's parsed.
|
||||
pub fn parse_type(field_type: &str) -> Result<Type> {
|
||||
#[derive(PartialEq)]
|
||||
enum State { Open, Close }
|
||||
|
||||
/// the type string is being validated before it's parsed.
|
||||
pub fn parse_type(&self, field_type: &str) -> Result<Type> {
|
||||
#[derive(PartialEq)]
|
||||
enum State { Open, Close }
|
||||
let mut lexer = Lexer::new(field_type);
|
||||
let mut token = None;
|
||||
let mut state = State::Close;
|
||||
let mut array_depth = 0;
|
||||
let mut current_array_length: Option<u64> = None;
|
||||
|
||||
let mut lexer = Lexer::new(&self.arena, field_type);
|
||||
let mut token = None;
|
||||
let mut state = State::Close;
|
||||
let mut array_depth = 0;
|
||||
let mut current_array_length: Option<u64> = None;
|
||||
|
||||
while lexer.token != Token::EndOfProgram {
|
||||
let type_ = match lexer.token {
|
||||
Token::Identifier => Type::Custom(lexer.token_as_str().to_owned()),
|
||||
Token::TypeByte => Type::Byte(lexer.type_size.0),
|
||||
Token::TypeBytes => Type::Bytes,
|
||||
Token::TypeBool => Type::Bool,
|
||||
Token::TypeUint => Type::Uint,
|
||||
Token::TypeInt => Type::Int,
|
||||
Token::TypeString => Type::String,
|
||||
Token::TypeAddress => Type::Address,
|
||||
Token::LiteralInteger => {
|
||||
let length = lexer.token_as_str();
|
||||
current_array_length = Some(length
|
||||
.parse()
|
||||
.map_err(|_|
|
||||
ErrorKind::InvalidArraySize(length.into())
|
||||
)?
|
||||
);
|
||||
lexer.consume();
|
||||
while lexer.token != Token::EndOfProgram {
|
||||
let type_ = match lexer.token {
|
||||
Token::Identifier => Type::Custom(lexer.slice().to_owned()),
|
||||
Token::TypeByte => Type::Byte(lexer.extras.0),
|
||||
Token::TypeBytes => Type::Bytes,
|
||||
Token::TypeBool => Type::Bool,
|
||||
Token::TypeUint => Type::Uint,
|
||||
Token::TypeInt => Type::Int,
|
||||
Token::TypeString => Type::String,
|
||||
Token::TypeAddress => Type::Address,
|
||||
Token::LiteralInteger => {
|
||||
let length = lexer.slice();
|
||||
current_array_length = Some(length
|
||||
.parse()
|
||||
.map_err(|_|
|
||||
ErrorKind::InvalidArraySize(length.into())
|
||||
)?
|
||||
);
|
||||
lexer.advance();
|
||||
continue;
|
||||
}
|
||||
Token::BracketOpen if token.is_some() && state == State::Close => {
|
||||
state = State::Open;
|
||||
lexer.advance();
|
||||
continue;
|
||||
}
|
||||
Token::BracketClose if array_depth < 10 => {
|
||||
if state == State::Open && token.is_some() {
|
||||
let length = current_array_length.take();
|
||||
state = State::Close;
|
||||
token = Some(Type::Array {
|
||||
inner: Box::new(token.expect("if statement checks for some; qed")),
|
||||
length,
|
||||
});
|
||||
lexer.advance();
|
||||
array_depth += 1;
|
||||
continue;
|
||||
},
|
||||
Token::BracketOpen if token.is_some() && state == State::Close => {
|
||||
state = State::Open;
|
||||
lexer.consume();
|
||||
continue
|
||||
} else {
|
||||
return Err(ErrorKind::UnexpectedToken(lexer.slice().to_owned(), field_type.to_owned()))?;
|
||||
}
|
||||
Token::BracketClose if array_depth < 10 => {
|
||||
if state == State::Open && token.is_some() {
|
||||
let length = current_array_length.take();
|
||||
state = State::Close;
|
||||
token = Some(Type::Array {
|
||||
inner: Box::new(token.expect("if statement checks for some; qed")),
|
||||
length
|
||||
});
|
||||
lexer.consume();
|
||||
array_depth += 1;
|
||||
continue
|
||||
} else {
|
||||
return Err(ErrorKind::UnexpectedToken(lexer.token_as_str().to_owned(), field_type.to_owned()))?
|
||||
}
|
||||
}
|
||||
Token::BracketClose if array_depth == 10 => {
|
||||
return Err(ErrorKind::UnsupportedArrayDepth)?
|
||||
}
|
||||
_ => return Err(ErrorKind::UnexpectedToken(lexer.token_as_str().to_owned(), field_type.to_owned()))?
|
||||
};
|
||||
}
|
||||
Token::BracketClose if array_depth == 10 => {
|
||||
return Err(ErrorKind::UnsupportedArrayDepth)?;
|
||||
}
|
||||
_ => return Err(ErrorKind::UnexpectedToken(lexer.slice().to_owned(), field_type.to_owned()))?
|
||||
};
|
||||
|
||||
token = Some(type_);
|
||||
lexer.consume();
|
||||
}
|
||||
|
||||
Ok(token.ok_or_else(|| ErrorKind::NonExistentType)?)
|
||||
token = Some(type_);
|
||||
lexer.advance();
|
||||
}
|
||||
|
||||
Ok(token.ok_or(ErrorKind::NonExistentType)?)
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
|
|
@ -151,22 +139,19 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn test_parser() {
|
||||
let parser = Parser::new();
|
||||
let source = "byte[][][7][][][][][][][]";
|
||||
parser.parse_type(source).unwrap();
|
||||
parse_type(source).unwrap();
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_nested_array() {
|
||||
let parser = Parser::new();
|
||||
let source = "byte[][][7][][][][][][][][]";
|
||||
assert_eq!(parser.parse_type(source).is_err(), true);
|
||||
assert_eq!(parse_type(source).is_err(), true);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_malformed_array_type() {
|
||||
let parser = Parser::new();
|
||||
let source = "byte[7[]uint][]";
|
||||
assert_eq!(parser.parse_type(source).is_err(), true)
|
||||
assert_eq!(parse_type(source).is_err(), true)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue