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fix(web3.js): VoteAccount.fromAccountData() throws range error (#21091)

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* fix(vote-account): rangeError [ERR_OUT_OF_RANGE] error

The web3 buffer layout is out-of-date with the current `VoteState` implementation. The buffer layout
is updated to match the structure in
https://github.com/solana-labs/solana/blob/master/account-decoder/src/parse_vote.rs

fix #20786

* docs(vote account): update reference to match new payload

* fix(vote-account): update buffer layout for prior voters

Update buffer layout for prior voters to match serialized data

* fix(vote-account): response showing buffers instead of public keys

transform buffers into public keys

* refactor(vote account): extract parsing into function calls

* feat(vote account): address PR comments

* fix(web3.js vote account): start prior voters array from given index

* fix(web3.js vote account): incorrect data for prior voters array

* Update web3.js/src/vote-account.ts

Co-authored-by: Justin Starry <justin.m.starry@gmail.com>

Co-authored-by: Justin Starry <justin.m.starry@gmail.com>
This commit is contained in:
Colin Ogoo
2021-11-30 18:55:21 +00:00
committed by GitHub
parent de8edad30b
commit 393c7653c7
2 changed files with 153 additions and 59 deletions
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77
docs/src/developing/clients/javascript-reference.md
View File

@ -578,34 +578,55 @@ let voteAccountFromData = web3.VoteAccount.fromAccountData(voteAccountInfo[0].ac
console.log(voteAccountFromData);
/*
VoteAccount {
nodePubkey: PublicKey {
_bn: <BN: 100000096c4e1e61a6393e51937e548aee2c062e23c67cbaa8d04f289d18232>
},
authorizedVoterPubkey: PublicKey {
_bn: <BN: 5862b94396c4e1e61a6393e51937e548aee2c062e23c67cbaa8d04f289d18232>
},
authorizedWithdrawerPubkey: PublicKey {
_bn: <BN: 5862b9430a0800000000000000cb136204000000001f000000cc136204000000>
},
commission: 0,
votes: [
{ slot: 124554051584, confirmationCount: 73536462 },
{ slot: 120259084288, confirmationCount: 73536463 },
{ slot: 115964116992, confirmationCount: 73536464 },
{ slot: 111669149696, confirmationCount: 73536465 },
{ slot: 107374182400, confirmationCount: 96542804 },
{ slot: 4294967296, confirmationCount: 1645464065 },
{ slot: 1099511627780, confirmationCount: 0 },
{ slot: 57088, confirmationCount: 3787757056 },
{ slot: 16516698632215534000, confirmationCount: 3236081224 },
{ slot: 328106138455040640, confirmationCount: 2194770418 },
{ slot: 290873038898, confirmationCount: 0 },
],
rootSlot: null,
epoch: 0,
credits: 0,
lastEpochCredits: 0,
epochCredits: []
nodePubkey: PublicKey {
_bn: <BN: cf1c635246d4a2ebce7b96bf9f44cacd7feed5552be3c714d8813c46c7e5ec02>
},
authorizedWithdrawer: PublicKey {
_bn: <BN: b76ae0caa56f2b9906a37f1b2d4f8c9d2a74c1420cd9eebe99920b364d5cde54>
},
commission: 10,
rootSlot: 104570885,
votes: [
{ slot: 104570886, confirmationCount: 31 },
{ slot: 104570887, confirmationCount: 30 },
{ slot: 104570888, confirmationCount: 29 },
{ slot: 104570889, confirmationCount: 28 },
{ slot: 104570890, confirmationCount: 27 },
{ slot: 104570891, confirmationCount: 26 },
{ slot: 104570892, confirmationCount: 25 },
{ slot: 104570893, confirmationCount: 24 },
{ slot: 104570894, confirmationCount: 23 },
...
],
authorizedVoters: [ { epoch: 242, authorizedVoter: [PublicKey] } ],
priorVoters: [
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object], [Object],
[Object], [Object]
],
epochCredits: [
{ epoch: 179, credits: 33723163, prevCredits: 33431259 },
{ epoch: 180, credits: 34022643, prevCredits: 33723163 },
{ epoch: 181, credits: 34331103, prevCredits: 34022643 },
{ epoch: 182, credits: 34619348, prevCredits: 34331103 },
{ epoch: 183, credits: 34880375, prevCredits: 34619348 },
{ epoch: 184, credits: 35074055, prevCredits: 34880375 },
{ epoch: 185, credits: 35254965, prevCredits: 35074055 },
{ epoch: 186, credits: 35437863, prevCredits: 35254965 },
{ epoch: 187, credits: 35672671, prevCredits: 35437863 },
{ epoch: 188, credits: 35950286, prevCredits: 35672671 },
{ epoch: 189, credits: 36228439, prevCredits: 35950286 },
...
],
lastTimestamp: { slot: 104570916, timestamp: 1635730116 }
}
*/
```