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23 lines
798 B
Go
23 lines
798 B
Go
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package misc
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import (
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libcommon "github.com/ledgerwatch/erigon-lib/common"
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"github.com/ledgerwatch/erigon/core/types"
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)
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// Constants for The Merge as specified by EIP-3675: Upgrade consensus to Proof-of-Stake
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var (
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ProofOfStakeDifficulty = libcommon.Big0 // PoS block's difficulty is always 0
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ProofOfStakeNonce = types.BlockNonce{} // PoS block's have all-zero nonces
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)
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// IsPoSHeader reports the header belongs to the PoS-stage with some special fields.
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// This function is not suitable for a part of APIs like Prepare or CalcDifficulty
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// because the header difficulty is not set yet.
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func IsPoSHeader(header *types.Header) bool {
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if header.Difficulty == nil {
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panic("IsPoSHeader called with invalid difficulty")
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}
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return header.Difficulty.Cmp(ProofOfStakeDifficulty) == 0
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}
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