[RPC-Spec-V2] overarching: Implement RPC Spec V2

[lexnv]

ChainHead

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1. [RPC-Spec-V2] Storage: Add support for storage closest merkle descendant #14550 #1506
   I5-enhancement +1
2. chainHead: Support multiple hashes for chainHead_unpin method #2295
   A1-insubstantial D0-easy I5-enhancement R0-silent +4
   
3. chainHead: Remove chainHead_genesis method #2296
   A1-insubstantial D0-easy I5-enhancement R0-silent +4
   
4. [RPC-Spec-V2] chainHead: Backport error codes from spec #2530
   +0
   
5. chainHead: Allow queries to :child_storage: prefixed keys #2691
   A1-insubstantial D0-easy R0-silent +3
   
6. chainHead: Error on duplicate unpin hashes #3313
   A1-insubstantial D0-easy I2-bug R0-silent +4
   
7. [RPC-Spec-V2] chainHead/follow: Provide multiple block hashes to the initialized event #3432
   I5-enhancement +1
8. chainHead: Ensure reasonable distance between leaf and finalized block #3562
   A1-insubstantial D1-medium I5-enhancement R0-silent +4
   
9. [RPC-Spec-V2] chainHead: Ensure unique reproted pruned blocks #3658
   +0
   
10. chainHead: Stabilize chainHead to version 1 #4168
    A1-insubstantial D0-easy I5-enhancement T3-RPC_API +4
    

Archive

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1. [RPC-Spec-V2] archive: Implement archive_unstable_body #1509
   I5-enhancement +1
2. [RPC-Spec-V2] archive: Implement archive_unstable_finalizedHeight #1510
   I5-enhancement +1
3. [RPC-Spec-V2] archive: Implement archive_unstable_hashByHeight #1511
   I5-enhancement +1
4. [RPC-Spec-V2] archive: Implement archive_unstable_storage #1512
   I5-enhancement +1
5. [RPC-Spec-V2] archive: Implement archive_unstable_call #1513
   I5-enhancement +1
6. [RPC-Spec-V2] archive: Implement archive_unstable_header/genesisHash #1514
   I5-enhancement +1

Transaction

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1. [RPC-Spec-V2] transaction: Stabilize to V1 #1508
   I5-enhancement +1
2. [RPC-Spec-V2] transaction: Implement transaction_unstable_broadcast #3039
   I5-enhancement +1
   
3. txBroadcast: Stabilize to version 1 #4169
   A1-insubstantial D0-easy I5-enhancement T3-RPC_API +4
   
4. txWatch: Stabilize txWatch to version 1 #4171
   A0-needs_burnin D0-easy I5-enhancement T3-RPC_API +4
   

Outstanding

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1. [RPC-Spec-V2] Limit chainHead_unstable_follow subscriptions #1505
   I5-enhancement +1
2. [RPC-Spec-V2] chainHead: Use integer for block index instead of string #1507
   I5-enhancement +1
   
3. [RPC-Spec-V2] RuntimeVersion should return "apis" as object, not array of tuples. #1146
   +0
   
4. [RPC-Spec-V2]: transactionWatch_unstable_submitAndWatch shouldn't use pipe_from_stream #3076
   D1-medium T3-RPC_API +2
5. [RPC-Spec-V2] chainHead_unstable_follow shouldn't use pipe_from_stream #3078
   D1-medium T3-RPC_API +2
6. [RPC-Spec-V2] Limit transaction_unstable_broadcast operations #3081
   +0
7. [RPC-Spec-V2] Add tests for transactionWatch_unstable_submitAndWatch #3083
   +0
8. [RPC-Spec-V2] Extend testing for transaction_unstable_broadcast #3084
   +0
9. [RPC-Spec-V2] Allow chainHead operations to be made from a single connection #3207
   +0

Sudo Methods

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1. sudo/sessionKeys: Implement sudo_sessionKeys_unstable_generate #1682
   A1-insubstantial D1-medium I5-enhancement R0-silent T3-RPC_API +5
   

@paritytech/subxt-team

[Polkadot-Forum]

This issue has been mentioned on Polkadot Forum. There might be relevant details there:

https://forum.polkadot.network/t/paritytech-update-for-april/7646/1