Detailed still TODO for great Tx building

[mpizenberg]

This is an almost exhaustive (trying) list of things still to do if we want to have the best Tx building experience for offchain Cardano frameworks. Not everything has the same priority.

Critical

• Finalize the elm-cardano binary story for the web (not Node) Making an elm-cardano binary #41 Rework the elm-cardano cli for both web and node #49
• Implement hashing for auxiliary data hash and script data hash Add BLAKE2-b #39 Compute auxiliary data hashes in Tx building #51 Add implementation of script data hash computation #53
• Adjust fee computation to take into account script reference fees Ref script fee (chang) #38
• Rewrite the Cardano module documentation First pass of finish touches to the whole API #48
• Finalize CIP30 WIP make cip30 complete #35
• Tx builder working for mainnet
• Tx builder working for testnet (preprod / preview)
• Can create addresses from Hex
• Have at least one API provider
• Hosted documentation

Important

• Can create addresses from Bech32
• Redo a collateral-specific coin selection algo, compatible with cip40
• Add support for blueprint handling for smart contracts using elm-codegen (https://github.com/mdgriffith/elm-codegen)
• Rename fromStringUnchecked into fromHexUnchecked, same for fromString
• Add ability to use network parameters for fee computation
• Add ability to provide coinsPerUtxoByte parameter for minAda computation
• Find a way to use elm-cardano script evaluation in tests (elm-cardano binary for Node) Rework the elm-cardano cli for both web and node #49
• Support fees from script addresses in Tx building
• Handle plutus Data in witness
• Add intents for certificates Add certificates, proposal, and votes to the Tx builder #72
• Add intents for voting Add certificates, proposal, and votes to the Tx builder #72
• Add intents for proposals Add certificates, proposal, and votes to the Tx builder #72
• Make cbor encoding compatible with hardware wallets (cip21) Start hardware wallet compliance encoding of transactions (CIP21) #52
• Cleanup and document the Gov module First pass of finish touches to the whole API #48
• Remove the Transaction.Builder.elm module First pass of finish touches to the whole API #48
• Flatten the AuxiliaryData modules directly in Cardano namespace First pass of finish touches to the whole API #48
• Remove the Maybe for the Tx body fee Remove the Maybe from transaction fees #70
• When Natural is 2^53 < N < 2^64, it should be CBOR-encoded as 64-bit instead of BigInt Deal with integers > 2^53 #23
• Improve error handling (error messages) of CIP30 issues of some wallets Improve CIP30 error handling #71

Later

• Improve coin selection in Tx building to automatically remove fees from returned ada without need for a dedicated new utxo input
• Add CIP 45 support (webrtc dapp-wallet bridge)
• Add CIP 95 support (Gov-related dapp-wallet bridge)
• Add control over max input count in coin selection in Tx building
• Other general improvements in coin selection algorithms
• Add a test for collateral selection error
• If there is enough free ada in the change, make a collateral-viable utxo in outputs
• Actual handling of pointer addresses
• Rework CBOR decoders to be able to fail with error messages
• Rework Bytes for safe usage, deal with current escape hatches
• Remove all usage of Debug to be able to publish package v1.0.0