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core/vm: Simplify Contract.GetByte function #23974

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Nov 25, 2021
Merged

core/vm: Simplify Contract.GetByte function #23974

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9 changes: 2 additions & 7 deletions core/vm/contract.go
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Original file line number Diff line number Diff line change
Expand Up @@ -143,16 +143,11 @@ func (c *Contract) AsDelegate() *Contract {

// GetOp returns the n'th element in the contract's byte array
func (c *Contract) GetOp(n uint64) OpCode {
return OpCode(c.GetByte(n))
}

// GetByte returns the n'th byte in the contract's byte array
func (c *Contract) GetByte(n uint64) byte {
if n < uint64(len(c.Code)) {
return c.Code[n]
return OpCode(c.Code[n])
}

return 0
return STOP
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Perhaps a comment could help:

Suggested change
return STOP
// Reading over code is defined to return the byte 0, which is the STOP instruction
return STOP

}

// Caller returns the caller of the contract.
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