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17 lines
697 B
Go
17 lines
697 B
Go
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package slashutil
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import "github.com/prysmaticlabs/prysm/shared/params"
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// SigningRootsDiffer verifies that an incoming vs. existing attestation has a different signing root.
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// If the existing signing root is empty, then we consider an attestation as different always.
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func SigningRootsDiffer(existingSigningRoot, incomingSigningRoot [32]byte) bool {
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zeroHash := params.BeaconConfig().ZeroHash
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// If the existing signing root is empty, we always consider the incoming
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// attestation as a double vote to be safe.
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if existingSigningRoot == zeroHash {
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return true
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}
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// Otherwise, we consider any sort of inequality to be a double vote.
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return existingSigningRoot != incomingSigningRoot
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}
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