20.0.0

What's Changed

• Make RecordedAuthPayload consistently return None for invoker. by @dmkozh in #900
• Expiration-related fixes by @dmkozh in #899
• Turn dynamic borrow panics into HostErrors by @graydon in #925
• Use Ed25519 verify_strict function rather than just verify, fix #857 by @graydon in #927
• Misc int32 issues by @graydon in #926
• Enforce object handle integrity when inserting into containers, fix #569 by @graydon in #928
• Add testcase for out-of-order scmaps, fix #223. by @graydon in #929
• Add a function to compute the rent fee. by @dmkozh in #905
• Use host.err for auth error by @sisuresh in #931
• Add a smoke test for recording auth for create contract host fn. by @dmkozh in #932
• Stop treating storage errors as missing entries by @sisuresh in #934
• Refactor authorization manager to only maintain mutable borrow on minimal amount of fields by @dmkozh in #938
• Bump xdr by @sisuresh in #943
• Add rent bumps to the SAC by @sisuresh in #936
• Add is_admin function by @sisuresh in #933
• Bump xdr by @dmkozh in #944
• Add function to compute the write fee based on the ledger size. by @dmkozh in #941
• Prohibit using disjoint signatures to cover the auth tree. by @dmkozh in #942
• Enforce DepthLimiter in the Host to avoid stack overflow by @jayz22 in #904
• Relative objects in wasm by @graydon in #947
• Adapt to ResourceLimiter, replacing mem_fuel metering by @jayz22 in #950
• Make del_contract_data no-op for removing non-existent instance storage key. by @dmkozh in #951
• Add "tracy" feature to enable Tracy profiler, with some basic annotat… by @graydon in #952
• Update host to account for the XDR changes. by @dmkozh in #954
• Update rust-version by @github-actions in #948
• Adapt to SCError change to be an enum, with ContractError(u32) by @graydon in #955
• Make some host errors non-recoverable in try_call. by @dmkozh in #945
• Fix panic-string-logging code path broken by recent dynamic-borrow fix. by @graydon in #960
• Add soroban-bench-utils, add benchmark tests to measure metering accuracy by @jayz22 in #956
• Bump env xdr and do the fee library changes corresponding to config changes by @dmkozh in #965
• Bump env xdr by @dmkozh in #966
• Remove event topic limits by @jayz22 in #959
• Bump env xdr by @dmkozh in #969
• Unify/fix expiration bump logic in host. by @dmkozh in #957
• Add new tests for error escalation from contract calls. by @graydon in #967
• Add a helper that invokes a host function 'end-to-end' by @dmkozh in #964
• Add helpers for container bulk init; applies to auth metering by @jayz22 in #975
• Switch some auth errors from Internal to InvalidInput. by @dmkozh in #976
• Enable post-MVP WASM ops (sign-ext and mutable-globals), fix #968. by @graydon in #979
• More token tests by @sisuresh in #974
• Alloc example by @graydon in #972
• mop up some residual uses of format strings in errors (no longer supported) by @graydon in #961
• Add wasm for upgrade write-bytes contract by @sisuresh in #983
• Scale the linear cost model coefficient; improve model fitting by @jayz22 in #982
• Error if bumping past max_entry_expiration and and host function to retrieve max_entry_expiration by @sisuresh in #985
• Make has checks to properly populate the storage map in recording mode by @dmkozh in #986
• Clean up budget cost types by @jayz22 in #984
• Add debug events to storage error reporting. by @dmkozh in #987
• Switch to stable rust-analyzer in CI by @jayz22 in #988
• add some comments and tests to env-common/symbol.rs by @graydon in #990
• Upgrade dalek crates to new stable versions. by @graydon in #993
• Add an option to return an error when encountering non-root auth in recording mode. by @dmkozh in #991
• Reject env.json if there are duplicate export names, fix #189 by @graydon in #994
• Tighten signature of unchecked_visit_val_obj, fix #595 by @graydon in #997
• Tighten dependencies further by @graydon in #999
• Fix incorrect argument name by @dmkozh in #1000
• Bump env xdr by @dmkozh in #1003
• Tighten up Map and Vector and metering coverage by @jayz22 in #1001
• Store dummy instance for test contracts. by @dmkozh in #1005
• Update XDR to take change that removes SCSpecTypeSet by @graydon in #1009
• Fix comparison in Tag::is_object by @brson in #1012
• Fix calibration due to delak change by @jayz22 in #1004
• Charge write fees for expiration entry bumps. by @dmkozh in #1010
• Reduce the expiration entry write size. by @dmkozh in #1016
• Refactor host to support the new expiration ledger approach. by @dmkozh in #1015
• Add lifetime threshold by @sisuresh in #1014
• Enable build workflow for merge groups by @leighmcculloch in #1018
• Remove key size from rent change computation. by @dmkozh in #1019
• Take change from txSOROBAN_RESOURCE_LIMIT_EXCEEDED to txSOROBAN_INVALID by @graydon in #1022
• Add ExpirationEntry support by @sisuresh in #1023
• Add git rev dep check to ci by @leighmcculloch in #1025
• Fix encode contract events metering by @jayz22 in #1026
• trim deps by @graydon in #1031
• Reject vals with invalid tags, fix #1029 by @graydon in #1033
• host: fix EXPIRATION_ENTRY_SIZE constant by @2opremio in #1034
• Avoid iloop externalizing diagnostics for invalid references by @brson in #1028
• Add "coverage" Makefile target for lcov.info, add a test that extends coverage by @graydon in #1038
• Fix asset-code rendering in native contract. by @graydon in #1041
• Fix rent changes extraction bug by @jayz22 in #1043
• Graydon code review by @graydon in #1044
• Jay code review by @jayz22 in #1045
• Bump xdr and use curr instead of next by @sisuresh in #1048
• Trivial xdr bump by @sisuresh in #1050
• Tighten wasm interface version checks, and do on upload. Fix #1052. by @graydon in #1053
• Update wasmi to 0.31.0-soroban by @jayz22 in #1054
• Bump version to 20.0.0-rc1 by @github-actions in #1055
• Add "next" feature to crates using xdr directly or indirectly by @graydon in #1060
• Move out-slice len adjustment from symbol_copy_to_slice to its caller. by @graydon in #1063
• Bump interface and regenerate wasms to handle symbol semantics change. by @graydon in #1065
• No-op rename: remove metered from metered_scan_slice_of_slices by @dmkozh in #1058
• Get rid of an unnecessary vector allocation in map_new_from_slices by @dmkozh in #1062
• Remove metered map iterator functions. by @dmkozh in #1068
• Small vec cleanup by @dmkozh in #1070
• Code cleanup around PRNG by @jayz22 in #1064
• Factor Tag::is_object to let Val::is_object delegate to it by @graydon in #1013
• Set LedgerEntry extensions on existing entries by @sisuresh in #1069
• Attach the auth in recording mode to any valid tracker. by @dmkozh in #1075
• Improve storage error reporting for token contract. by @dmkozh in #1071
• Env-common cleanups and dead code removal by @graydon in #1077
• More cleanups, comments and fixes from code review. by @graydon in #1080
• Make the 'unknown' wasmi error to be InvalidAction instead of InternalError by @dmkozh in #1081
• Error improvements by @dmkozh in #1082
• Small update for the default budget limits. by @dmkozh in #1083
• Calibration for PRNG and charge budget by @jayz22 in #1079
• Code review, cleanup, removal of dead/dangerous host functions by @graydon in #1085
• Add redundant "next" dependencies by @jayz22 in #1078
• Host code review, minor cleanups and code reorganization by @graydon in #1086
• Fix the instance storage update logic. by @dmkozh in #1090
• Feature: Expose rem_euclid functions on 256 bit numbers by @mootz12 in #1091
• Replace address bytes conversions with strkey conversions. by @dmkozh in #1094
• Use Address for call_account_contract_check_auth test helper. by @dmkozh in #1103
• More code review and cleanup of host.rs module by @graydon in #1088
• Budget fiddling by @graydon in #1098
• Bump env XDR by @dmkozh in #1104
• State expiration renames by @sisuresh in #1106
• Cost type cleanup, bug fix, improve calibration by @jayz22 in #1105
• Code review on fees, crypto, prng, dispatch by @graydon in #1107
• storage code review by @graydon in #1110
• Setup bench framework to run experiments by @jayz22 in #1109
• Decorate error for nonce missing from the footprint. by @dmkozh in #1112
• Remove bad LEs by @graydon in #1114
• Add missing fixed-size metering in comparison.rs, clean up a bit by @graydon in #1116
• Properly dispatch test contracts based on the executable. by @dmkozh in #1095
• Tighten up metering for linear memory routines by @jayz22 in #1115
• conversion.rs code review fixes by @graydon in #1117
• Review fixes for declared_size and metered_clone by @graydon in #1120
• Gate recording auth behind the feature. by @dmkozh in #1126
• Fix test wasms for latest sdk by @sisuresh in #1127
• Cackle gate by @graydon in #1124
• Remove spendable_balance from SAC. by @dmkozh in #1122
• Extend upgrade contract from 30 to 60 days by @sisuresh in #1129
• Bug 1042 internal renames by @graydon in #1130
• Remove panic by @sisuresh in #1131
• Stop caching authorization tracker verification status. by @dmkozh in #1133
• Overhaul "free budget" and migrate non-metered code by @jayz22 in #1123
• Clarify (and add redundant defensive code) in check_val_integrity by @graydon in #1140
• Remove a panic and be more conservative about depth limit by @graydon in #1160
• Add conceptual overview comment to auth module by @graydon in #1128
• Fix fuzz-found panic in Prng::u64_in_inclusive_range by @graydon in #1172
• Fix fuzzer-found frame stack corruption in rollback if instance storage fails by @graydon in #1173
• Arbitrary-compatible expr generation and host fuzzing by @jayz22 in #1171
• Improve auth test coverage a bit by @dmkozh in #1176
• Rollback tests by @sisuresh in #1177
• Add a test that ensures that SAC reentry is not possible. by @dmkozh in #1179
• Remove vnext test wasms by @sisuresh in #1181
• Add fn to find out if Host can be finished by @leighmcculloch in #1182
• Add tests for more wasmi trap conditions by @jayz22 in #1186
• Storage tests by @sisuresh in #1184
• Add tests that try to build a deep host stack. by @dmkozh in #1185
• More events and diagnostics testing by @jayz22 in #1189
• Fix #1174 fuzzer-found deserialization of non-representable ScVal bug. by @graydon in #1180
• tighten up handling of debug mode by @graydon in #1138
• Update rust-version by @github-actions in #1017
• Adapt to rs-stellar-xdr Limits change by @jayz22 in #1139
• Add tests that cover fees for each individual resource. by @dmkozh in #1192
• Cover non-existent Wasm in test for updating Wasm. by @dmkozh in #1194
• Adds loadgen test WASM by @SirTyson in #1191
• Add wasm test for excessive initial memory and table size by @jayz22 in #1193
• Initial cut at bug 872, observe side effects of tests by @graydon in #1142
• Remove unnecessary copy of value by @leighmcculloch in #1196
• Test update_contract_wasm with rollbacks. by @dmkozh in #1195
• Bug 1146 test invalid val bit patterns by @graydon in #1199
• Add @dmkozh as code owner of soroban-env-host by @leighmcculloch in #1202
• Hook envbase and vec slices by @graydon in #1197
• Update stellar-xdr by @leighmcculloch in #1198
• Don't block merges on rust-analyzer compat check by @leighmcculloch in #1204
• Observe most of the remainder of the testsuite by @graydon in #1206
• Update deps, fix #1200 by @graydon in #1208
• Test nested extend_ttl by @sisuresh in #1205
• Fix #1175 error code spoofing by @graydon in #1209
• Do not error if no authorizations by @leighmcculloch in #1214
• Add a contract that allows materializing arbitrarily large values. by @dmkozh in #1210
• Updated loadgen Wasm by @SirTyson in #1217
• Cap persistent extension to max by @sisuresh in #1212
• Error on issuer for mint, burn, clawback, and burn_from by @sisuresh in #1215
• Add a very simple hook for tracking top-level contract invocations. by @dmkozh in #1219
• Macro for testing host function dispatch with bad inputs by @jayz22 in #1213
• Check val integrity more by @graydon in #1221
• Adapt to Rust 1.74 by @graydon in #1228
• Improve test coverage for crypto functions. by @dmkozh in #1223
• Pub ContractInvocationEvent by @leighmcculloch in #1229
• Pass ref to host to contract invocation hook by @leighmcculloch in #1230
• Fix top contract invocation hook and auth interaction by @leighmcculloch in #1231
• XDR limits updates by @dmkozh in #1236
• Run user seeds to PRNGs through HMAC-SHA256 to unbias by @graydon in #1232
• Add size_hint methods to Arbitrary impls by @brson in #1239
• Add tests for de-serializing deep XDR in deep call stack. by @dmkozh in #1237
• Generate combinational tests for linear memory functions by @jayz22 in #1233
• Add tests that grow containers until running out of memory budget. by @dmkozh in #1242
• Observe more things by @graydon in #1224
• Setting pre_release_version to zero in meta.rs in preparation of Soroban launch by @anupsdf in #1039
• Add Host::has_frame by @leighmcculloch in #1244
• Validated TTLentries by @sisuresh in #1245
• Budget subsystem code review by @graydon in #1251
• Rename extend host functions by @SirTyson in #1240
• Fuzz fixes by @graydon in #1249
• Cap number of args to wasm functions by @graydon in #1256
• Cargo version pinning by @graydon in #1255
• Pass --locked to publish as well by @graydon in #1257
• Tighten up saturating_ math checks by @jayz22 in #1254
• Auth code review by @graydon in #1250
• Remove unused publish scripts/make targets by @leighmcculloch in #1258
• Write tests for unrecoverable errors with try_call by @sisuresh in #1259
• Fix the invoker contract auth rollback logic and cover it in the tests. by @dmkozh in #1260
• Re-calibration on x86 and update cost parameters by @jayz22 in #1248
• Add tests for invalid maps, oversized maps/vecs/bytes from various paths by @jayz22 in #1247
• Frame code review by @graydon in #1261
• Improve XDR conversion coverage by @dmkozh in #1264
• Add more error tests by @sisuresh in #1263
• Improve budget tracker by @jayz22 in #1267
• Validate assets when trying to create SAC instance. by @dmkozh in #1270
• Conversion tests by @sisuresh in #1271
• Update stellar-xdr by @leighmcculloch in #1272
• Change string_new_from_slice to use &[u8] instead of &str. by @dmkozh in #1273
• Update stellar-xdr by @leighmcculloch in #1274
• Initial SAC review by @graydon in #1275
• Derive debug, eq, ord on CostTracker for SDK by @leighmcculloch in #1276
• Noop auth fix by @sisuresh in #1278
• Test bad WASMs by @jayz22 in #1277
• Add time tracker by @jayz22 in #1279
• Bump wasmi and xdr to release versions by @graydon in #1280
• SAC final code review by @graydon in #1281
• Add fuzz target that runs wasmi on wasm-smith output by @graydon in #1284
• Remaining host code review by @graydon in #1285
• Bump version to 20.0.0 by @github-actions in #1290

New Contributors

• @2opremio made their first contribution in #1034
• @mootz12 made their first contribution in #1091
• @SirTyson made their first contribution in #1191
• @anupsdf made their first contribution in #1039

Full Changelog: v0.0.17...v20.0.0