StarkNet Node API v0.3.0

This is the 3rd release of the specification for full node API specification for Starknet nodes.

Changes

Changes since v0.3.0-rc1

• removed unused errors: #80
• add "required" to DECLARE_TXN_V2 and MSG_TO_L1: #82
• added titles to support code generation: #84
• added CLASS_ALREADY_DECLARED error: #85
• added required fields to BROADCASTED_DECLARE_TXN_V2 error: #93
• required "type" field in PENDING_COMMON_RECEIPT_PROPERTIES: #94
• added "type" field to BROADCASTED_DECLARE_TXN_V1: #95
• added the missing optional "stateMutability" field for deprecated classes ABI: #97

Full Changelog: v0.3.0-rc1...v0.3.0