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Better document the block-header fields #5449

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Jan 30, 2021
Merged

Better document the block-header fields #5449

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53 changes: 18 additions & 35 deletions chain/types/blockheader.go
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Original file line number Diff line number Diff line change
Expand Up @@ -47,41 +47,24 @@ func NewBeaconEntry(round uint64, data []byte) BeaconEntry {
}

type BlockHeader struct {
Miner address.Address // 0

Ticket *Ticket // 1

ElectionProof *ElectionProof // 2

BeaconEntries []BeaconEntry // 3

WinPoStProof []proof2.PoStProof // 4

Parents []cid.Cid // 5

ParentWeight BigInt // 6

Height abi.ChainEpoch // 7

ParentStateRoot cid.Cid // 8

ParentMessageReceipts cid.Cid // 8

Messages cid.Cid // 10

BLSAggregate *crypto.Signature // 11

Timestamp uint64 // 12

BlockSig *crypto.Signature // 13

ForkSignaling uint64 // 14

// ParentBaseFee is the base fee after executing parent tipset
ParentBaseFee abi.TokenAmount // 15

// internal
validated bool // true if the signature has been validated
Miner address.Address // 0 unique per block/miner
Ticket *Ticket // 1 unique per block/miner: should be a valid VRF
ElectionProof *ElectionProof // 2 unique per block/miner: should be a valid VRF
BeaconEntries []BeaconEntry // 3 identical for all blocks in same tipset
WinPoStProof []proof2.PoStProof // 4 unique per block/miner
Parents []cid.Cid // 5 identical for all blocks in same tipset
ParentWeight BigInt // 6 identical for all blocks in same tipset
Height abi.ChainEpoch // 7 identical for all blocks in same tipset
ParentStateRoot cid.Cid // 8 identical for all blocks in same tipset
ParentMessageReceipts cid.Cid // 9 identical for all blocks in same tipset
Messages cid.Cid // 10 unique per block
BLSAggregate *crypto.Signature // 11 unique per block: aggrregate of BLS messages from above
Timestamp uint64 // 12 identical for all blocks in same tipset / hard-tied to the value of Height above
BlockSig *crypto.Signature // 13 unique per block/miner: miner signature
ForkSignaling uint64 // 14 currently unused/undefined
ParentBaseFee abi.TokenAmount // 15 identical for all blocks in same tipset: the base fee after executing parent tipset

validated bool // internal, true if the signature has been validated
}

func (blk *BlockHeader) ToStorageBlock() (block.Block, error) {
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