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const schema = require(`../config/schema`);
const OR_OPERATOR = `|`;
module.exports = {
getSchema: function(cmd) {
return schema[cmd];
},
assertPayload: function({ cmd = ``, ...payload }) {
if (!cmd) return new CoinpaymentsError(`No method passed`);
const cmdSchema = this.getSchema(cmd);
if (cmdSchema === undefined)
return new CoinpaymentsError(`No such method ${cmd}`);
let error = `Missing parameters: `;
let isError = false;
if (cmd === `create_mass_withdrawal`) {
isError = !this.validateMassWithDrawal(payload);
if (isError) {
error = `Invalid mass withdrawal payload`;
}
return { isError, error };
}
for (const key in cmdSchema) {
if (isError) break;
const rule = cmdSchema[key];
if (rule.indexOf(OR_OPERATOR) === -1) {
isError = !this.hasOne(rule, payload);
} else {
isError = !this.xor(rule.split(OR_OPERATOR), payload);
}
if (isError) {
error += `${rule}, `;
}
}
if (isError) {
error = new CoinpaymentsError(error.slice(0, -2));
}
return { isError, error };
},
validateMassWithDrawal(payload) {
const regex = /wd\[wd[0-9]\]\[(amount|address|currency|dest_tag)\]/;
for (const key in payload) {
if (!regex.test(key)) return false;
}
return true;
},
hasOne: function(rule, payload) {
return payload[rule] !== undefined;
},
xor: function(rules, payload) {
let flag = false;
for (const rule in rules) {
if (payload[rules[rule]] !== undefined) {
if (flag) return false;
flag = true;
}
}
return flag;
}
};
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