31 lines
659 B
JavaScript
31 lines
659 B
JavaScript
/* CONTRACT NAMER
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*
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* Takes an address,
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* Returns a nicname if we have one stored,
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* otherwise returns null.
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*/
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// Nickname keys must be stored in lower case.
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const nicknames = {}
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module.exports = function(addr, identities = {}) {
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const address = addr.toLowerCase()
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const ids = hashFromIdentities(identities)
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return addrFromHash(address, ids) || addrFromHash(address, nicknames)
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}
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function hashFromIdentities(identities) {
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const result = {}
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for (let key in identities) {
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result[key] = identities[key].name
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}
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return result
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}
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function addrFromHash(addr, hash) {
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const address = addr.toLowerCase()
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return hash[address] || null
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}
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