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Merge pull request #420 from oceanprotocol/feature/gas_optimisation

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gas cost optimisations
This commit is contained in:
Alex Coseru 2020-10-27 21:20:35 +02:00 committed by GitHub
commit 20a99d98ee
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1 changed files with 97 additions and 5 deletions
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102
src/balancer/Pool.ts
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@ -130,10 +130,26 @@ export class Pool extends PoolFactory {
from: account
})
let result = null
let estGas
try {
estGas = await token.methods
.approve(spender, amount)
.estimateGas(function (err, estGas) {
if (err) {
// console.error('ERROR: OnChainMetadataCacheEstimateGas: ' + err)
return this.GASLIMIT_DEFAULT
}
return estGas
})
} catch (e) {
estGas = this.GASLIMIT_DEFAULT
}
try {
result = await token.methods
.approve(spender, amount)
.send({ from: account, gas: this.GASLIMIT_DEFAULT })
.send({ from: account, gas: estGas + 1 })
} catch (e) {
this.logger.error(`ERRPR: Failed to approve spender to spend tokens : ${e.message}`)
}
@ -495,6 +511,26 @@ export class Pool extends PoolFactory {
from: account
})
let result = null
let estGas
try {
estGas = await pool.methods
.swapExactAmountIn(
tokenIn,
this.web3.utils.toWei(tokenAmountIn),
tokenOut,
this.web3.utils.toWei(minAmountOut),
maxPrice ? this.web3.utils.toWei(maxPrice) : MaxUint256
)
.estimateGas(function (err, estGas) {
if (err) {
// console.error('ERROR: OnChainMetadataCacheEstimateGas: ' + err)
return this.GASLIMIT_DEFAULT
}
return estGas
})
} catch (e) {
estGas = this.GASLIMIT_DEFAULT
}
try {
result = await pool.methods
.swapExactAmountIn(
@ -504,7 +540,7 @@ export class Pool extends PoolFactory {
this.web3.utils.toWei(minAmountOut),
maxPrice ? this.web3.utils.toWei(maxPrice) : MaxUint256
)
.send({ from: account, gas: this.GASLIMIT_DEFAULT })
.send({ from: account, gas: estGas + 1 })
} catch (e) {
this.logger.error(`ERROR: Failed to swap exact amount in : ${e.message}`)
}
@ -535,6 +571,26 @@ export class Pool extends PoolFactory {
from: account
})
let result = null
let estGas
try {
estGas = await pool.methods
.swapExactAmountOut(
tokenIn,
this.web3.utils.toWei(maxAmountIn),
tokenOut,
this.web3.utils.toWei(minAmountOut),
maxPrice ? this.web3.utils.toWei(maxPrice) : MaxUint256
)
.estimateGas(function (err, estGas) {
if (err) {
// console.error('ERROR: OnChainMetadataCacheEstimateGas: ' + err)
return this.GASLIMIT_DEFAULT
}
return estGas
})
} catch (e) {
estGas = this.GASLIMIT_DEFAULT
}
try {
result = await pool.methods
.swapExactAmountOut(
@ -544,7 +600,7 @@ export class Pool extends PoolFactory {
this.web3.utils.toWei(minAmountOut),
maxPrice ? this.web3.utils.toWei(maxPrice) : MaxUint256
)
.send({ from: account, gas: this.GASLIMIT_DEFAULT })
.send({ from: account, gas: estGas + 1 })
} catch (e) {
this.logger.error(`ERROR: Failed to swap exact amount out: ${e.message}`)
}
@ -642,6 +698,24 @@ export class Pool extends PoolFactory {
from: account
})
let result = null
let estGas
try {
estGas = await await pool.methods
.joinswapExternAmountIn(
tokenIn,
this.web3.utils.toWei(tokenAmountIn),
this.web3.utils.toWei(minPoolAmountOut)
)
.estimateGas(function (err, estGas) {
if (err) {
// console.error('ERROR: OnChainMetadataCacheEstimateGas: ' + err)
return this.GASLIMIT_DEFAULT
}
return estGas
})
} catch (e) {
estGas = this.GASLIMIT_DEFAULT
}
try {
result = await pool.methods
.joinswapExternAmountIn(
@ -649,7 +723,7 @@ export class Pool extends PoolFactory {
this.web3.utils.toWei(tokenAmountIn),
this.web3.utils.toWei(minPoolAmountOut)
)
.send({ from: account, gas: this.GASLIMIT_DEFAULT })
.send({ from: account, gas: estGas + 1 })
} catch (e) {
this.logger.error(`ERROR: Failed to pay tokens in order to \
join the pool: ${e.message}`)
@ -745,6 +819,24 @@ export class Pool extends PoolFactory {
from: account
})
let result = null
let estGas
try {
estGas = await pool.methods
.exitswapExternAmountOut(
tokenOut,
this.web3.utils.toWei(tokenAmountOut),
this.web3.utils.toWei(maxPoolAmountIn)
)
.estimateGas(function (err, estGas) {
if (err) {
// console.error('ERROR: OnChainMetadataCacheEstimateGas: ' + err)
return this.GASLIMIT_DEFAULT
}
return estGas
})
} catch (e) {
estGas = this.GASLIMIT_DEFAULT
}
try {
result = await pool.methods
.exitswapExternAmountOut(
@ -752,7 +844,7 @@ export class Pool extends PoolFactory {
this.web3.utils.toWei(tokenAmountOut),
this.web3.utils.toWei(maxPoolAmountIn)
)
.send({ from: account, gas: this.GASLIMIT_DEFAULT })
.send({ from: account, gas: estGas + 1 })
} catch (e) {
this.logger.error('ERROR: Failed to exitswapExternAmountOut')
}