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fetch certifiers by id

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This commit is contained in:
Jannis R
2016-12-08 13:07:27 +01:00
parent 2b34d76b8c
commit b32b636697
2 changed files with 52 additions and 21 deletions
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44
js/src/contracts/badgereg.js
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@@ -18,7 +18,8 @@ import { bytesToHex, hex2Ascii } from '~/api/util/format';
import ABI from './abi/certifier.json';
const ZERO = '0x0000000000000000000000000000000000000000000000000000000000000000';
const ZERO20 = '0x0000000000000000000000000000000000000000';
const ZERO32 = '0x0000000000000000000000000000000000000000000000000000000000000000';
export default class BadgeReg {
constructor (api, registry) {
@@ -26,25 +27,36 @@ export default class BadgeReg {
this._registry = registry;
registry.getContract('badgereg');
this.certifiers = {}; // by name
this.certifiers = []; // by id
this.contracts = {}; // by name
}
fetchCertifier (name) {
if (this.certifiers[name]) {
return Promise.resolve(this.certifiers[name]);
nrOfCertifiers () {
return this._registry.getContract('badgereg')
.then((badgeReg) => {
return badgeReg.instance.badgeCount.call({}, [])
.then((count) => count.valueOf());
});
}
fetchCertifier (id) {
if (this.certifiers[id]) {
return Promise.resolve(this.certifiers[id]);
}
return this._registry.getContract('badgereg')
.then((badgeReg) => {
return badgeReg.instance.fromName.call({}, [name])
.then(([ id, address ]) => {
return this.fetchMeta(id)
.then(({ title, icon }) => {
const data = { address, name, title, icon };
this.certifiers[name] = data;
return data;
});
});
return badgeReg.instance.badge.call({}, [ id ]);
})
.then(([ address, name ]) => {
if (address === ZERO20) throw new Error(`Certifier ${id} does not exist.`);
name = bytesToHex(name);
name = name === ZERO32 ? null : hex2Ascii(name);
return this.fetchMeta(id)
.then(({ title, icon }) => {
const data = { address, name, title, icon };
this.certifiers[id] = data;
return data;
});
});
}
@@ -58,8 +70,8 @@ export default class BadgeReg {
})
.then(([ title, icon ]) => {
title = bytesToHex(title);
title = title === ZERO ? null : hex2Ascii(title);
if (bytesToHex(icon) === ZERO) icon = null;
title = title === ZERO32 ? null : hex2Ascii(title);
if (bytesToHex(icon) === ZERO32) icon = null;
return { title, icon };
});
}