starknet_api: replace LazyLock Felt/ContractAddress with const from_hex_unchecked

[Yoni-Starkware]

Summary

• Replace all LazyLock<Felt> statics that encode ASCII strings or compute simple values with const Felt = Felt::from_hex_unchecked(...)
• Replace LazyLock<ContractAddress> statics that wrap known hex addresses with const ContractAddress = ContractAddress(PatriciaKey::from_hex_unchecked(...))
• Remove all * dereferences at call sites since const Felt is Copy and doesn't require deref
• Drop now-unused LazyLock, ascii_as_felt, and Felt::from_hex imports

Affected constants:

• VALIDATE_RETDATA, STARKNET_BLOCK_HASH0/1, STARKNET_GAS_PRICES0, STARKNET_STATE_DIFF0
• COMPILED_CLASS_V1, DECLARE, DEPLOY, DEPLOY_ACCOUNT, INVOKE, L1_HANDLER
• QUERY_VERSION_BASE (was Felt::TWO.pow(128))
• STRK_FEE_CONTRACT_ADDRESS, ETH_FEE_CONTRACT_ADDRESS

Test plan

• cargo build -p starknet_api passes
• cargo build -p apollo_rpc_execution passes
• cargo build -p blockifier passes

🤖 Generated with Claude Code

[cursor]

PR Summary

Medium Risk
Touches hashing, query-transaction versioning, and fee-token addresses used across execution and OS paths; values are intended to be bitwise-identical to the old lazy init, but any hex typo would be a consensus-level bug.

Overview
This PR replaces LazyLock-backed Felt and fee-contract ContractAddress values with const definitions built via Felt::from_hex_unchecked and PatriciaKey::from_hex_unchecked, so protocol constants (block-hash prefixes, tx-hash type tags, QUERY_VERSION_BASE, VALIDATE_RETDATA, COMPILED_CLASS_V1, STRK/ETH fee addresses, etc.) are fixed at compile time instead of initialized on first use.

Call sites drop * derefs and unwrap_or(*…) patterns in favor of direct Copy values. Unused LazyLock, ascii_as_felt, and related imports are removed where no longer needed.

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• Started at 2026-06-04T17:43:57Z