oceanprotocol/ocean.js
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add getDTMaxBuyQuantity & getOceanMaxBuyQuantity

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This commit is contained in:
alexcos20 2020-10-12 04:35:48 -07:00
parent f856ef7058
commit a148ae7613
1 changed files with 22 additions and 7 deletions
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29
src/balancer/OceanPool.ts
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@ -157,6 +157,24 @@ export class OceanPool extends Pool {
return String(parseFloat(balance) / 3)
}
/**
* Returns max amount of OCEAN that you can buy.
* @param poolAddress
* @param tokenAddress
*/
public async getOceanMaxBuyQuantity(poolAddress: string): Promise<string> {
return this.getMaxBuyQuantity(poolAddress, this.oceanAddress)
}
/**
* Returns max amount of DT that you can buy.
* @param poolAddress
* @param tokenAddress
*/
public async getDTMaxBuyQuantity(poolAddress: string): Promise<string> {
return this.getMaxBuyQuantity(poolAddress, await this.getDTAddress(poolAddress))
}
/**
* Returns tokenInAmount required to get tokenOutAmount
* @param poolAddress
@ -438,8 +456,7 @@ export class OceanPool extends Pool {
}
const dtAddress = await this.getDTAddress(poolAddress)
if (
parseFloat(dtAmountWanted) >
parseFloat(await this.getMaxBuyQuantity(poolAddress, dtAddress))
parseFloat(dtAmountWanted) > parseFloat(await this.getDTMaxBuyQuantity(poolAddress))
) {
console.error('Buy quantity exceeds quantity allowed')
return null
@ -495,7 +512,7 @@ export class OceanPool extends Pool {
const dtAddress = await this.getDTAddress(poolAddress)
if (
parseFloat(oceanAmountWanted) >
parseFloat(await this.getMaxBuyQuantity(poolAddress, this.oceanAddress))
parseFloat(await this.getOceanMaxBuyQuantity(poolAddress))
) {
console.error('Buy quantity exceeds quantity allowed')
return null
@ -572,7 +589,7 @@ export class OceanPool extends Pool {
}
if (
parseFloat(maximumPoolShares) <
parseFloat(await this.calcPoolInGivenSingleOut(poolAddress, dtAddress, amount))
parseFloat(await this.getPoolSharesRequiredToRemoveDT(poolAddress, amount))
) {
console.error('Not enough poolShares')
return null
@ -652,9 +669,7 @@ export class OceanPool extends Pool {
}
if (
parseFloat(maximumPoolShares) <
parseFloat(
await this.calcPoolInGivenSingleOut(poolAddress, this.oceanAddress, amount)
)
parseFloat(await this.getPoolSharesRequiredToRemoveOcean(poolAddress, amount))
) {
console.error('Not enough poolShares')
return null