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refactor createPricing

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This commit is contained in:
Matthias Kretschmann 2020-10-21 00:31:32 +02:00
parent 1cd3c6055d
commit 7c5eba07c3
Signed by: m
GPG Key ID: 606EEEF3C479A91F
1 changed files with 56 additions and 56 deletions
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112
src/hooks/usePricing/usePricing.ts
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@ -11,10 +11,10 @@ interface UsePricing {
dtName?: string
createPricing: (
priceOptions: PriceOptions
) => Promise<TransactionReceipt | string | null>
buyDT: (dtAmount: number | string) => Promise<TransactionReceipt | null>
sellDT: (dtAmount: number | string) => Promise<TransactionReceipt | null>
mint: (tokensToMint: string) => void
) => Promise<TransactionReceipt | string | void>
buyDT: (dtAmount: number | string) => Promise<TransactionReceipt | void>
sellDT: (dtAmount: number | string) => Promise<TransactionReceipt | void>
mint: (tokensToMint: string) => Promise<TransactionReceipt>
pricingStep?: number
pricingStepText?: string
pricingError?: string
@ -22,10 +22,11 @@ interface UsePricing {
}
export const createPricingFeedback: { [key in number]: string } = {
0: '1/4 Approving DT ...',
1: '2/4 Approving Ocean ...',
2: '3/4 Creating ....',
3: '4/4 Pricing created'
0: 'Minting DT ...',
1: 'Approving DT ...',
2: 'Approving Ocean ...',
3: 'Creating ...',
4: 'Pricing created.'
}
export const buyDTFeedback: { [key in number]: string } = {
@ -98,15 +99,16 @@ function usePricing(ddo: DDO): UsePricing {
setPricingStepText(message)
}
async function mint(tokensToMint: string) {
async function mint(tokensToMint: string): Promise<TransactionReceipt> {
Logger.log('mint function', dataToken, accountId)
await ocean.datatokens.mint(dataToken, accountId, tokensToMint)
const tx = await ocean.datatokens.mint(dataToken, accountId, tokensToMint)
return tx
}
async function buyDT(
dtAmount: number | string
): Promise<TransactionReceipt | null> {
if (!ocean || !account || !accountId) return null
): Promise<TransactionReceipt | void> {
if (!ocean || !account || !accountId) return
try {
setPricingIsLoading(true)
@ -139,11 +141,11 @@ function usePricing(ddo: DDO): UsePricing {
case 'exchange': {
if (!config.oceanTokenAddress) {
Logger.error(`'oceanTokenAddress' not set in config`)
return null
return
}
if (!config.fixedRateExchangeAddress) {
Logger.error(`'fixedRateExchangeAddress' not set in config`)
return null
return
}
Logger.log('Buying token from exchange', bestPrice, account.getId())
await ocean.datatokens.approve(
@ -171,17 +173,16 @@ function usePricing(ddo: DDO): UsePricing {
setPricingStepText(undefined)
setPricingIsLoading(false)
}
return null
}
async function sellDT(
dtAmount: number | string
): Promise<TransactionReceipt | null> {
if (!ocean || !account || !accountId) return null
): Promise<TransactionReceipt | void> {
if (!ocean || !account || !accountId) return
if (!config.oceanTokenAddress) {
Logger.error(`'oceanTokenAddress' not set in config`)
return null
return
}
try {
@ -189,7 +190,7 @@ function usePricing(ddo: DDO): UsePricing {
setPricingError(undefined)
setStepSellDT(0)
const pool = await getFirstPool(ocean, dataToken)
if (!pool || pool.price === 0) return null
if (!pool || pool.price === 0) return
const price = new Decimal(pool.price).times(0.95).toString()
setStepSellDT(1)
Logger.log('Selling token to pool', pool, account.getId(), price)
@ -210,55 +211,55 @@ function usePricing(ddo: DDO): UsePricing {
setPricingStepText(undefined)
setPricingIsLoading(false)
}
return null
}
async function createPricing(
priceOptions: PriceOptions
): Promise<TransactionReceipt | string | null> {
if (!ocean || !account || !accountId) return null
): Promise<TransactionReceipt | string | void> {
if (!ocean || !account || !accountId) return
const { type, dtAmount, price, weightOnDataToken, swapFee } = priceOptions
const isPool = type === 'dynamic'
if (!isPool && !config.fixedRateExchangeAddress) {
Logger.error(`'fixedRateExchangeAddress' not set in ccnfig.`)
return
}
let response = null
try {
setPricingIsLoading(true)
setPricingError(undefined)
setStepCreatePricing(0)
switch (priceOptions.type) {
case 'dynamic': {
setStepCreatePricing(2)
response = await ocean.pool.createDTPool(
setStepCreatePricing(0)
await mint(`${dtAmount}`)
setStepCreatePricing(3)
const response = isPool
? // TODO: in ocean.js: ocean.pool.createDTPool should be ocean.pool.create
// And if it involves mutliple wallet interacts the method itself should emit step events.
await ocean.pool.createDTPool(
accountId,
dataToken,
priceOptions.dtAmount.toString(),
priceOptions.weightOnDataToken,
priceOptions.swapFee
`${dtAmount}`,
weightOnDataToken,
swapFee
)
setStepCreatePricing(3)
return response
}
case 'fixed': {
if (!config.fixedRateExchangeAddress) {
Logger.error(`'fixedRateExchangeAddress' not set in ccnfig.`)
return null
}
setStepCreatePricing(2)
response = await ocean.fixedRateExchange.create(
dataToken,
priceOptions.price.toString(),
accountId
)
setStepCreatePricing(1)
await ocean.datatokens.approve(
dataToken,
config.fixedRateExchangeAddress,
String(priceOptions.dtAmount),
accountId
)
setStepCreatePricing(3)
return response
}
: // TODO: in ocean.js: ocean.fixedRateExchange.create should return tx receipt
await ocean.fixedRateExchange.create(dataToken, `${price}`, accountId)
// TODO: why is approve after the creation?
if (!isPool && config.fixedRateExchangeAddress) {
setStepCreatePricing(1)
await ocean.datatokens.approve(
dataToken,
config.fixedRateExchangeAddress,
`${dtAmount}`,
accountId
)
}
setStepCreatePricing(4)
return response
} catch (error) {
setPricingError(error.message)
Logger.error(error)
@ -267,7 +268,6 @@ function usePricing(ddo: DDO): UsePricing {
setPricingStepText(undefined)
setPricingIsLoading(false)
}
return null
}
return {