v20.0.0rc1

• Check if bucketlist is enabled in network config
• Bump overlay version
• Fix flaky test
• Update env version for testnet
• Eviction scan test fixes
• Fixed meta bug during protocol 20 upgrade
• Config params to test eviction
• Remove Soroban ENABLE_NEXT_PROTOCOL_VERSION_UNSAFE_FOR_PRODUCTION Ifdefs
• Fee bug
• Minor eviction scan bugfix
• Fixed off by one in eviction scan
• Use submodule for curr xdr
• Bump env
• Add trustline to trustline transfer test
• fix Visual Project file (missing file)
• Add ci check that rust git rev deps are unlikely to be orphaned
• Expiration Entry updates and return core-generated DiagnosticEvents on the tx submission endpoint
• Add config flag to override all initial Soroban limits
• Stop counting the key size for read/write bytes.
• Evict Temporary Entries
• Reduce MINIMUM_PERSISTENT_ENTRY_LIFETIME
• Bump env
• Bump soroban-env-host versions
• Refundable fee updates
• Include all upgradeable settings in the upgrade
• Reduce the default resource limits to minimum.
• Validation of initial ConfigSettingEntries
• Enforce 1 tx per source account limit
• Easier to capture scp messages
• More InvokeHostFunctionOp tests
• Bump env version, update cost parameters
• Harden Soroban network config retrieval
• Add test case for soroban config setting upgrade with minimum settings
• Confirm soroban errors fail ops and txs, fix stellar/rs-soroban-env#522
• soroban txs: tx set construction and flooding tests
• Refactor core to use e2e_invoke host module.
• Change the metadata->events metering/fees in core.
• Soroban settings upgrade contract and script
• Move expiration enforcement to OpFrame level
• Emitting diagnostic event containing Soroban resource utilization metrics
• Setting validations
• Add test that recreates an expired temp entry
• SAC invariant
• Add test override for MINIMUM_PERSISTENT_ENTRY_LIFETIME
• Set max_entry_expiration
• rename getFeeBid -> getInclusionFee, bugfixes