44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
const common = require('../common/bitstamp')
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const SATOSHI_SHIFT = 8
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function buy (account, cryptoAtoms, fiatCode, cryptoCode) {
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return trade('buy', account, cryptoAtoms, fiatCode, cryptoCode)
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}
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function sell (account, cryptoAtoms, fiatCode, cryptoCode) {
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return trade('sell', account, cryptoAtoms, fiatCode, cryptoCode)
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}
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function handleErrors (data) {
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if (!data.reason || !data.reason.__all__) return data
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const err = new Error(data.reason.__all__[0])
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if (data.reason.__all__[0].indexOf('Minimum order size is') === 0) {
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err.name = 'orderTooSmall'
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}
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throw err
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}
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function trade (type, account, cryptoAtoms, fiatCode, cryptoCode) {
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try {
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const market = common.buildMarket(fiatCode, cryptoCode)
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const options = {amount: cryptoAtoms.shift(-SATOSHI_SHIFT).toFixed(8)}
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return common.authRequest(account, '/' + type + '/market/' + market, options)
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.catch(e => {
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if (e.response) handleErrors(e.response.data)
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throw e
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})
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.then(handleErrors)
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} catch (e) {
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return Promise.reject(e)
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}
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}
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module.exports = {
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buy,
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sell
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}
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