starknet-specs release v0.10.3

[github-actions]

A new version of starknet-specs has been released.

Release: v0.10.3
Tag: v0.10.3
Published: 2026-07-01T11:02:09Z
Current Katana spec version: 0.10.0

Release Notes

What's Changed

• Release/v0.10.2 by @eitanm-starkware in Release/v0.10.2 starkware-libs/starknet-specs#378
• Add client side proving JSON-RPC spec by @avi-starkware in Add client side proving JSON-RPC spec starkware-libs/starknet-specs#375
• feat(wallet-api): add STRK20 privacy protocol methods by @ittaysw in feat(wallet-api): add STRK20 privacy protocol methods starkware-libs/starknet-specs#381
• unite p2p specs repo into this repo by @ShahakShama in unite p2p specs repo into this repo starkware-libs/starknet-specs#382
• feat(wallet-api): add wallet_strk20PrepareInvoke by @ittaysw in feat(wallet-api): add wallet_strk20PrepareInvoke starkware-libs/starknet-specs#383
• feat(wallet-api): add proof param to wallet_addInvokeTransaction by @ittaysw in feat(wallet-api): add proof param to wallet_addInvokeTransaction starkware-libs/starknet-specs#384
• feat: add Starknet MCP server for Claude Code by @AvivYossef-starkware in feat: add Starknet MCP server for Claude Code starkware-libs/starknet-specs#379
• bump: v0.10.3-rc.0 by @ittaysw in bump: v0.10.3-rc.0 starkware-libs/starknet-specs#385
• chore: migrate Starknet docs URLs to new paths by @eitanm-starkware in chore: migrate Starknet docs URLs to new paths starkware-libs/starknet-specs#387
• feat(wallet-api): allow OPEN literal for STRK20_TRANSFER_ACTION amount by @ittaysw in feat(wallet-api): allow OPEN literal for STRK20_TRANSFER_ACTION amount starkware-libs/starknet-specs#388
• bump: v0.10.3-rc.1 by @ittaysw in bump: v0.10.3-rc.1 starkware-libs/starknet-specs#390
• feat: wallet_strk20Balances empty array returns all shielded token balances by @odednaor in feat: wallet_strk20Balances empty array returns all shielded token balances starkware-libs/starknet-specs#391
• bump: v0.10.3-rc.2 by @ittaysw in bump: v0.10.3-rc.2 starkware-libs/starknet-specs#392
• feat(proving-api): add opaque additional_data to proveTransaction result by @avi-starkware in feat(proving-api): add opaque additional_data to proveTransaction result starkware-libs/starknet-specs#389
• wallet-api: clarify STRK20 open-note ("OPEN" amount) semantics and enforcement by @odednaor in wallet-api: clarify STRK20 open-note ("OPEN" amount) semantics and enforcement starkware-libs/starknet-specs#395
• feat(wallet-api): full semver in version schemas, bump spec to 0.10.3-rc.2 by @odednaor in feat(wallet-api): full semver in version schemas, bump spec to 0.10.3-rc.2 starkware-libs/starknet-specs#396
• fix(wallet-api): disallow prerelease in API_VERSION pattern by @odednaor in fix(wallet-api): disallow prerelease in API_VERSION pattern starkware-libs/starknet-specs#397
• bump: v0.10.3-rc.3 by @odednaor in bump: v0.10.3-rc.3 starkware-libs/starknet-specs#398
• bump: v0.10.3 by @odednaor in bump: v0.10.3 starkware-libs/starknet-specs#399

New Contributors

• @avi-starkware made their first contribution in Add client side proving JSON-RPC spec starkware-libs/starknet-specs#375
• @AvivYossef-starkware made their first contribution in feat: add Starknet MCP server for Claude Code starkware-libs/starknet-specs#379
• @odednaor made their first contribution in feat: wallet_strk20Balances empty array returns all shielded token balances starkware-libs/starknet-specs#391

Full Changelog: starkware-libs/starknet-specs@v0.10.1...v0.10.3

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OpenRPC Spec Diff: v0.10.0 → v0.10.3

Read API (starknet_api_openrpc.json)

Method	Status	Details
starknet_getBlockWithReceipts	Changed	Parameter response_flags added (required: False)
starknet_getBlockWithTxs	Changed	Parameter response_flags added (required: False)
starknet_getStateUpdate	Changed	Parameter contract_addresses added (required: False)
starknet_getStorageAt	Changed	Parameter response_flags added (required: False); Return type changed
starknet_getTransactionByBlockIdAndIndex	Changed	Parameter response_flags added (required: False)
starknet_getTransactionByHash	Changed	Parameter response_flags added (required: False)

Write API (starknet_write_api.json)

Method	Status	Details
starknet_addInvokeTransaction	Changed	Error added: INVALID_PROOF

Trace API (starknet_trace_api_openrpc.json)

Method	Status	Details
starknet_simulateTransactions	Changed	Return type changed
starknet_traceBlockTransactions	Changed	Parameter trace_flags added (required: False); Return type changed

Summary

	Added	Removed	Changed
Read API	0	0	6
Write API	0	0	1
Trace API	0	0	2
Total	0	0	9

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Action Items

• Review the API changes above
• Update RPC_SPEC_VERSION in crates/rpc/rpc-api/src/starknet.rs
• Implement new methods (if any)
• Update changed method signatures (if any)
• Remove deprecated methods (if any)
• Update RPC type definitions in crates/rpc/rpc-types/
• Add/update tests for changed endpoints