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chore: bump ledgerjs-hw-app-cardano to 7.1.2
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114 changes: 114 additions & 0 deletions
114
packages/hardware-ledger/src/transformers/votingProcedures.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| import { Cardano } from '@cardano-sdk/core'; | ||
| import { | ||
| CommitteeKeyHashVoter, | ||
| CommitteeScriptHashVoter, | ||
| DRepKeyHashVoter, | ||
| DRepScriptHashVoter, | ||
| StakePoolKeyHashVoter, | ||
| Vote, | ||
| VoteOption, | ||
| Voter, | ||
| VoterType, | ||
| VoterVotes | ||
| } from '@cardano-foundation/ledgerjs-hw-app-cardano'; | ||
|
|
||
| /** | ||
| * Maps a Voter to a Voter from the LedgerJS public types. | ||
| * | ||
| * @param {Cardano.Voter} voter - The voter object defined in Core types. | ||
| * @returns {Voter} Corresponding Voter object for use with LedgerJS. | ||
| */ | ||
| export const mapVoterToLedgerVoter = (voter: Cardano.Voter): Voter => { | ||
| switch (voter.__typename) { | ||
| case 'ccHotKeyHash': | ||
| return { | ||
| keyHashHex: voter.credential.hash, | ||
| type: VoterType.COMMITTEE_KEY_HASH | ||
| } as CommitteeKeyHashVoter; | ||
|
|
||
| case 'ccHotScriptHash': | ||
| return { | ||
| scriptHashHex: voter.credential.hash, | ||
| type: VoterType.COMMITTEE_SCRIPT_HASH | ||
| } as CommitteeScriptHashVoter; | ||
|
|
||
| case 'dRepKeyHash': | ||
| return { | ||
| keyHashHex: voter.credential.hash, | ||
| type: VoterType.DREP_KEY_HASH | ||
| } as DRepKeyHashVoter; | ||
|
|
||
| case 'dRepScriptHash': | ||
| return { | ||
| scriptHashHex: voter.credential.hash, | ||
| type: VoterType.DREP_SCRIPT_HASH | ||
| } as DRepScriptHashVoter; | ||
|
|
||
| case 'stakePoolKeyHash': | ||
| return { | ||
| keyHashHex: voter.credential.hash, | ||
| type: VoterType.STAKE_POOL_KEY_HASH | ||
| } as StakePoolKeyHashVoter; | ||
|
|
||
| default: | ||
| throw new Error('Unsupported voter type'); | ||
| } | ||
| }; | ||
|
|
||
| /** | ||
| * Maps Vote to a LedgerJS VoteOption. | ||
| * | ||
| * @param {Cardano.Vote} vote - The vote integer representing a voting decision. | ||
| * @returns {VoteOption} The corresponding LedgerJS VoteOption. | ||
| */ | ||
| export const mapVoteOption = (vote: Cardano.Vote): VoteOption => { | ||
| // Implement this based on how the raw data translates to VoteOption | ||
| switch (vote) { | ||
| case 0: | ||
| return VoteOption.NO; | ||
| case 1: | ||
| return VoteOption.YES; | ||
| case 2: | ||
| return VoteOption.ABSTAIN; | ||
| default: | ||
| throw new Error('Unsupported vote type'); | ||
| } | ||
| }; | ||
|
|
||
| /** | ||
| * Maps voting procedures from Core to LedgerJS. | ||
| * | ||
| * Converts a list of Core voting procedures into a format compatible with LedgerJS. This includes converting voters, | ||
| * votes, and anchoring data. | ||
| * | ||
| * @param {VotingProcedures | undefined} votingProcedures - Array of voting procedures from Core. | ||
| * @returns {VoterVotes[] | null} Array of LedgerJS-compatible voting records or null if input is undefined. | ||
| */ | ||
| export const mapVotingProcedures = (votingProcedures: Cardano.VotingProcedures | undefined): VoterVotes[] | null => { | ||
| if (!votingProcedures) { | ||
| return null; | ||
| } | ||
|
|
||
| return votingProcedures.map( | ||
| (procedure): VoterVotes => ({ | ||
| voter: mapVoterToLedgerVoter(procedure.voter), | ||
| votes: procedure.votes.map( | ||
| (vote): Vote => ({ | ||
| govActionId: { | ||
| govActionIndex: vote.actionId.actionIndex, | ||
| txHashHex: vote.actionId.id | ||
| }, | ||
| votingProcedure: { | ||
| ...(vote.votingProcedure.anchor && { | ||
| anchor: { | ||
| hashHex: vote.votingProcedure.anchor.dataHash, | ||
| url: vote.votingProcedure.anchor.url | ||
| } | ||
| }), | ||
| vote: mapVoteOption(vote.votingProcedure.vote) | ||
| } | ||
| }) | ||
| ) | ||
| }) | ||
| ); | ||
| }; |
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