Merge branch 'multi-coin'

1 files changed, 119 insertions, 2 deletions

diff --git a/params/protocol_params.go b/params/protocol_params.go
index c738450..c0c5ffd 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -16,8 +16,125 @@
 
 package params
 
-//import "math/big"
+import "math/big"
 
 const (
-	MaximumExtraDataSize uint64 = 64 // Maximum size extra data may be after Genesis.
+	GasLimitBoundDivisor uint64 = 1024    // The bound divisor of the gas limit, used in update calculations.
+	MinGasLimit          uint64 = 5000    // Minimum the gas limit may ever be.
+	GenesisGasLimit      uint64 = 4712388 // Gas limit of the Genesis block.
+
+	MaximumExtraDataSize  uint64 = 64    // Maximum size extra data may be after Genesis.
+	ExpByteGas            uint64 = 10    // Times ceil(log256(exponent)) for the EXP instruction.
+	SloadGas              uint64 = 50    // Multiplied by the number of 32-byte words that are copied (round up) for any *COPY operation and added.
+	CallValueTransferGas  uint64 = 9000  // Paid for CALL when the value transfer is non-zero.
+	CallNewAccountGas     uint64 = 25000 // Paid for CALL when the destination address didn't exist prior.
+	TxGas                 uint64 = 21000 // Per transaction not creating a contract. NOTE: Not payable on data of calls between transactions.
+	TxGasContractCreation uint64 = 53000 // Per transaction that creates a contract. NOTE: Not payable on data of calls between transactions.
+	TxDataZeroGas         uint64 = 4     // Per byte of data attached to a transaction that equals zero. NOTE: Not payable on data of calls between transactions.
+	QuadCoeffDiv          uint64 = 512   // Divisor for the quadratic particle of the memory cost equation.
+	LogDataGas            uint64 = 8     // Per byte in a LOG* operation's data.
+	CallStipend           uint64 = 2300  // Free gas given at beginning of call.
+
+	Sha3Gas     uint64 = 30 // Once per SHA3 operation.
+	Sha3WordGas uint64 = 6  // Once per word of the SHA3 operation's data.
+
+	SstoreSetGas    uint64 = 20000 // Once per SLOAD operation.
+	SstoreResetGas  uint64 = 5000  // Once per SSTORE operation if the zeroness changes from zero.
+	SstoreClearGas  uint64 = 5000  // Once per SSTORE operation if the zeroness doesn't change.
+	SstoreRefundGas uint64 = 15000 // Once per SSTORE operation if the zeroness changes to zero.
+
+	NetSstoreNoopGas  uint64 = 200   // Once per SSTORE operation if the value doesn't change.
+	NetSstoreInitGas  uint64 = 20000 // Once per SSTORE operation from clean zero.
+	NetSstoreCleanGas uint64 = 5000  // Once per SSTORE operation from clean non-zero.
+	NetSstoreDirtyGas uint64 = 200   // Once per SSTORE operation from dirty.
+
+	NetSstoreClearRefund      uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
+	NetSstoreResetRefund      uint64 = 4800  // Once per SSTORE operation for resetting to the original non-zero value
+	NetSstoreResetClearRefund uint64 = 19800 // Once per SSTORE operation for resetting to the original zero value
+
+	SstoreSentryGasEIP2200   uint64 = 2300  // Minimum gas required to be present for an SSTORE call, not consumed
+	SstoreNoopGasEIP2200     uint64 = 800   // Once per SSTORE operation if the value doesn't change.
+	SstoreDirtyGasEIP2200    uint64 = 800   // Once per SSTORE operation if a dirty value is changed.
+	SstoreInitGasEIP2200     uint64 = 20000 // Once per SSTORE operation from clean zero to non-zero
+	SstoreInitRefundEIP2200  uint64 = 19200 // Once per SSTORE operation for resetting to the original zero value
+	SstoreCleanGasEIP2200    uint64 = 5000  // Once per SSTORE operation from clean non-zero to something else
+	SstoreCleanRefundEIP2200 uint64 = 4200  // Once per SSTORE operation for resetting to the original non-zero value
+	SstoreClearRefundEIP2200 uint64 = 15000 // Once per SSTORE operation for clearing an originally existing storage slot
+
+	JumpdestGas   uint64 = 1     // Once per JUMPDEST operation.
+	EMCGas        uint64 = 1     // Once per EMC operation.
+	EpochDuration uint64 = 30000 // Duration between proof-of-work epochs.
+
+	CreateDataGas            uint64 = 200   //
+	CallCreateDepth          uint64 = 1024  // Maximum depth of call/create stack.
+	ExpGas                   uint64 = 10    // Once per EXP instruction
+	LogGas                   uint64 = 375   // Per LOG* operation.
+	CopyGas                  uint64 = 3     //
+	StackLimit               uint64 = 1024  // Maximum size of VM stack allowed.
+	TierStepGas              uint64 = 0     // Once per operation, for a selection of them.
+	LogTopicGas              uint64 = 375   // Multiplied by the * of the LOG*, per LOG transaction. e.g. LOG0 incurs 0 * c_txLogTopicGas, LOG4 incurs 4 * c_txLogTopicGas.
+	CreateGas                uint64 = 32000 // Once per CREATE operation & contract-creation transaction.
+	Create2Gas               uint64 = 32000 // Once per CREATE2 operation
+	SelfdestructRefundGas    uint64 = 24000 // Refunded following a selfdestruct operation.
+	MemoryGas                uint64 = 3     // Times the address of the (highest referenced byte in memory + 1). NOTE: referencing happens on read, write and in instructions such as RETURN and CALL.
+	TxDataNonZeroGasFrontier uint64 = 68    // Per byte of data attached to a transaction that is not equal to zero. NOTE: Not payable on data of calls between transactions.
+	TxDataNonZeroGasEIP2028  uint64 = 16    // Per byte of non zero data attached to a transaction after EIP 2028 (part in Istanbul)
+
+	// These have been changed during the course of the chain
+	CallGasFrontier              uint64 = 40  // Once per CALL operation & message call transaction.
+	CallGasEIP150                uint64 = 700 // Static portion of gas for CALL-derivates after EIP 150 (Tangerine)
+	BalanceGasFrontier           uint64 = 20  // The cost of a BALANCE operation
+	BalanceGasEIP150             uint64 = 400 // The cost of a BALANCE operation after Tangerine
+	BalanceGasEIP1884            uint64 = 700 // The cost of a BALANCE operation after EIP 1884 (part of Istanbul)
+	ExtcodeSizeGasFrontier       uint64 = 20  // Cost of EXTCODESIZE before EIP 150 (Tangerine)
+	ExtcodeSizeGasEIP150         uint64 = 700 // Cost of EXTCODESIZE after EIP 150 (Tangerine)
+	SloadGasFrontier             uint64 = 50
+	SloadGasEIP150               uint64 = 200
+	SloadGasEIP1884              uint64 = 800  // Cost of SLOAD after EIP 1884 (part of Istanbul)
+	ExtcodeHashGasConstantinople uint64 = 400  // Cost of EXTCODEHASH (introduced in Constantinople)
+	ExtcodeHashGasEIP1884        uint64 = 700  // Cost of EXTCODEHASH after EIP 1884 (part in Istanbul)
+	SelfdestructGasEIP150        uint64 = 5000 // Cost of SELFDESTRUCT post EIP 150 (Tangerine)
+
+	// EXP has a dynamic portion depending on the size of the exponent
+	ExpByteFrontier uint64 = 10 // was set to 10 in Frontier
+	ExpByteEIP158   uint64 = 50 // was raised to 50 during Eip158 (Spurious Dragon)
+
+	// Extcodecopy has a dynamic AND a static cost. This represents only the
+	// static portion of the gas. It was changed during EIP 150 (Tangerine)
+	ExtcodeCopyBaseFrontier uint64 = 20
+	ExtcodeCopyBaseEIP150   uint64 = 700
+
+	// CreateBySelfdestructGas is used when the refunded account is one that does
+	// not exist. This logic is similar to call.
+	// Introduced in Tangerine Whistle (Eip 150)
+	CreateBySelfdestructGas uint64 = 25000
+
+	MaxCodeSize = 24576 // Maximum bytecode to permit for a contract
+
+	// Precompiled contract gas prices
+
+	EcrecoverGas        uint64 = 3000 // Elliptic curve sender recovery gas price
+	Sha256BaseGas       uint64 = 60   // Base price for a SHA256 operation
+	Sha256PerWordGas    uint64 = 12   // Per-word price for a SHA256 operation
+	Ripemd160BaseGas    uint64 = 600  // Base price for a RIPEMD160 operation
+	Ripemd160PerWordGas uint64 = 120  // Per-word price for a RIPEMD160 operation
+	IdentityBaseGas     uint64 = 15   // Base price for a data copy operation
+	IdentityPerWordGas  uint64 = 3    // Per-work price for a data copy operation
+	ModExpQuadCoeffDiv  uint64 = 20   // Divisor for the quadratic particle of the big int modular exponentiation
+
+	Bn256AddGasByzantium             uint64 = 500    // Byzantium gas needed for an elliptic curve addition
+	Bn256AddGasIstanbul              uint64 = 150    // Gas needed for an elliptic curve addition
+	Bn256ScalarMulGasByzantium       uint64 = 40000  // Byzantium gas needed for an elliptic curve scalar multiplication
+	Bn256ScalarMulGasIstanbul        uint64 = 6000   // Gas needed for an elliptic curve scalar multiplication
+	Bn256PairingBaseGasByzantium     uint64 = 100000 // Byzantium base price for an elliptic curve pairing check
+	Bn256PairingBaseGasIstanbul      uint64 = 45000  // Base price for an elliptic curve pairing check
+	Bn256PairingPerPointGasByzantium uint64 = 80000  // Byzantium per-point price for an elliptic curve pairing check
+	Bn256PairingPerPointGasIstanbul  uint64 = 34000  // Per-point price for an elliptic curve pairing check
+)
+
+var (
+	DifficultyBoundDivisor = big.NewInt(2048)   // The bound divisor of the difficulty, used in the update calculations.
+	GenesisDifficulty      = big.NewInt(131072) // Difficulty of the Genesis block.
+	MinimumDifficulty      = big.NewInt(131072) // The minimum that the difficulty may ever be.
+	DurationLimit          = big.NewInt(13)     // The decision boundary on the blocktime duration used to determine whether difficulty should go up or not.
 )