forked from cerc-io/plugeth
parent
08326794e8
commit
fa6107c85e
@ -31,13 +31,13 @@ type ContractRef interface {
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// AccountRef implements ContractRef.
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// AccountRef implements ContractRef.
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//
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//
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// Account references are used during EVM initialisation and
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// Account references are used during EVM initialisation and
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// it's primary use is to fetch addresses. Removing this object
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// its primary use is to fetch addresses. Removing this object
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// proves difficult because of the cached jump destinations which
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// proves difficult because of the cached jump destinations which
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// are fetched from the parent contract (i.e. the caller), which
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// are fetched from the parent contract (i.e. the caller), which
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// is a ContractRef.
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// is a ContractRef.
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type AccountRef common.Address
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type AccountRef common.Address
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// Address casts AccountRef to a Address
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// Address casts AccountRef to an Address
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func (ar AccountRef) Address() common.Address { return (common.Address)(ar) }
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func (ar AccountRef) Address() common.Address { return (common.Address)(ar) }
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// Contract represents an ethereum contract in the state database. It contains
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// Contract represents an ethereum contract in the state database. It contains
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@ -104,7 +104,7 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi
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// Legacy rules should be applied if we are in Petersburg (removal of EIP-1283)
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// Legacy rules should be applied if we are in Petersburg (removal of EIP-1283)
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// OR Constantinople is not active
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// OR Constantinople is not active
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if evm.chainRules.IsPetersburg || !evm.chainRules.IsConstantinople {
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if evm.chainRules.IsPetersburg || !evm.chainRules.IsConstantinople {
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// This checks for 3 scenario's and calculates gas accordingly:
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// This checks for 3 scenarios and calculates gas accordingly:
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//
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//
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// 1. From a zero-value address to a non-zero value (NEW VALUE)
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// 1. From a zero-value address to a non-zero value (NEW VALUE)
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// 2. From a non-zero value address to a zero-value address (DELETE)
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// 2. From a non-zero value address to a zero-value address (DELETE)
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@ -45,7 +45,7 @@ type EVMInterpreter struct {
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table *JumpTable
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table *JumpTable
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hasher crypto.KeccakState // Keccak256 hasher instance shared across opcodes
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hasher crypto.KeccakState // Keccak256 hasher instance shared across opcodes
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hasherBuf common.Hash // Keccak256 hasher result array shared aross opcodes
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hasherBuf common.Hash // Keccak256 hasher result array shared across opcodes
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readOnly bool // Whether to throw on stateful modifications
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readOnly bool // Whether to throw on stateful modifications
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returnData []byte // Last CALL's return data for subsequent reuse
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returnData []byte // Last CALL's return data for subsequent reuse
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@ -22,7 +22,7 @@ import (
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/params"
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)
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)
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// LookupInstructionSet returns the instructionset for the fork configured by
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// LookupInstructionSet returns the instruction set for the fork configured by
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// the rules.
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// the rules.
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func LookupInstructionSet(rules params.Rules) (JumpTable, error) {
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func LookupInstructionSet(rules params.Rules) (JumpTable, error) {
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switch {
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switch {
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@ -56,7 +56,7 @@ func LookupInstructionSet(rules params.Rules) (JumpTable, error) {
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return newFrontierInstructionSet(), nil
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return newFrontierInstructionSet(), nil
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}
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}
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// Stack returns the mininum and maximum stack requirements.
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// Stack returns the minimum and maximum stack requirements.
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func (op *operation) Stack() (int, int) {
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func (op *operation) Stack() (int, int) {
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return op.minStack, op.maxStack
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return op.minStack, op.maxStack
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}
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}
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