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networks: extract estimateFee as a bind

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This commit is contained in:
Daniel Cousens 2015-03-16 10:38:20 +11:00
parent 6a551d9e1e
commit c3a39444e3
1 changed files with 25 additions and 32 deletions
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57
src/networks.js
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@ -13,8 +13,7 @@ var networks = {
scriptHash: 0x05,
wif: 0x80,
dustThreshold: 546, // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/core.h#L151-L162
feePerKb: 10000, // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/main.cpp#L53
estimateFee: estimateFee('bitcoin')
feePerKb: 10000 // https://github.com/bitcoin/bitcoin/blob/v0.9.2/src/main.cpp#L53
},
testnet: {
magic: 0xd9b4bef9,
@ -27,8 +26,7 @@ var networks = {
scriptHash: 0xc4,
wif: 0xef,
dustThreshold: 546,
feePerKb: 10000,
estimateFee: estimateFee('testnet')
feePerKb: 10000
},
litecoin: {
magic: 0xd9b4bef9,
@ -42,8 +40,7 @@ var networks = {
wif: 0xb0,
dustThreshold: 0, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L360-L365
dustSoftThreshold: 100000, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.h#L53
feePerKb: 100000, // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L56
estimateFee: estimateFee('litecoin')
feePerKb: 100000 // https://github.com/litecoin-project/litecoin/blob/v0.8.7.2/src/main.cpp#L56
},
dogecoin: {
messagePrefix: '\x19Dogecoin Signed Message:\n',
@ -56,8 +53,7 @@ var networks = {
wif: 0x9e,
dustThreshold: 0, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/core.h#L155-L160
dustSoftThreshold: 100000000, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.h#L62
feePerKb: 100000000, // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.cpp#L58
estimateFee: estimateFee('dogecoin')
feePerKb: 100000000 // https://github.com/dogecoin/dogecoin/blob/v1.7.1/src/main.cpp#L58
},
viacoin: {
messagePrefix: '\x18Viacoin Signed Message:\n',
@ -70,8 +66,7 @@ var networks = {
wif: 0xc7,
dustThreshold: 560,
dustSoftThreshold: 100000,
feePerKb: 100000, //
estimateFee: estimateFee('viacoin')
feePerKb: 100000
},
viacointestnet: {
messagePrefix: '\x18Viacoin Signed Message:\n',
@ -84,8 +79,7 @@ var networks = {
wif: 0xff,
dustThreshold: 560,
dustSoftThreshold: 100000,
feePerKb: 100000,
estimateFee: estimateFee('viacointestnet')
feePerKb: 100000
},
gamerscoin: {
messagePrefix: '\x19Gamerscoin Signed Message:\n',
@ -98,8 +92,7 @@ var networks = {
wif: 0xA6,
dustThreshold: 0, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L358-L363
dustSoftThreshold: 100000, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L51
feePerKb: 100000, // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L54
estimateFee: estimateFee('gamerscoin')
feePerKb: 100000 // https://github.com/gamers-coin/gamers-coinv3/blob/master/src/main.cpp#L54
},
jumbucks: {
messagePrefix: '\x19Jumbucks Signed Message:\n',
@ -112,8 +105,7 @@ var networks = {
wif: 0xab,
dustThreshold: 0,
dustSoftThreshold: 10000,
feePerKb: 10000,
estimateFee: estimateFee('jumbucks')
feePerKb: 10000
},
zetacoin: {
messagePrefix: '\x18Zetacoin Signed Message:\n',
@ -125,34 +117,35 @@ var networks = {
scriptHash: 0x09,
wif: 0xe0,
dustThreshold: 546, // https://github.com/zetacoin/zetacoin/blob/master/src/core.h#L159
feePerKb: 10000, // https://github.com/zetacoin/zetacoin/blob/master/src/main.cpp#L54
estimateFee: estimateFee('zetacoin')
feePerKb: 10000 // https://github.com/zetacoin/zetacoin/blob/master/src/main.cpp#L54
}
}
function estimateFee (type) {
return function (tx) {
var network = networks[type]
var baseFee = network.feePerKb
var byteSize = tx.toBuffer().length
function estimateFee (tx, network) {
var baseFee = network.feePerKb
var byteSize = tx.toBuffer().length
var fee = baseFee * Math.ceil(byteSize / 1000)
if (network.dustSoftThreshold === undefined) return fee
var fee = baseFee * Math.ceil(byteSize / 1000)
if (network.dustSoftThreshold === undefined) return fee
tx.outs.forEach(function (e) {
if (e.value < network.dustSoftThreshold) {
fee += baseFee
}
})
tx.outs.forEach(function (e) {
if (e.value < network.dustSoftThreshold) {
fee += baseFee
}
})
return fee
}
return fee
}
// FIXME: 1.5.3 compatibility patch(s)
function patchEstimateFee (network, tx) {
return estimateFee(tx, network)
}
for (var networkName in networks) {
var network = networks[networkName]
network.estimateFee = patchEstimateFee.bind(null, network)
network.magicPrefix = network.messagePrefix
}