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author | Dan Finlay <dan@danfinlay.com> | 2017-07-21 03:38:38 +0800 |
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committer | Dan Finlay <dan@danfinlay.com> | 2017-07-21 03:38:38 +0800 |
commit | 86d367957fe8ac04462f716fe0ba2bfa4e5ff3f6 (patch) | |
tree | b4a6805e5e2a4de48c880d80f4b87d1f3b560a18 /ui/lib/contract-namer.js | |
parent | 199587383b022a17d56adcb56d6a99ceba71fec7 (diff) | |
download | tangerine-wallet-browser-86d367957fe8ac04462f716fe0ba2bfa4e5ff3f6.tar.gz tangerine-wallet-browser-86d367957fe8ac04462f716fe0ba2bfa4e5ff3f6.tar.zst tangerine-wallet-browser-86d367957fe8ac04462f716fe0ba2bfa4e5ff3f6.zip |
Move responsive ui into its own folder for easier merges
Diffstat (limited to 'ui/lib/contract-namer.js')
-rw-r--r-- | ui/lib/contract-namer.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/ui/lib/contract-namer.js b/ui/lib/contract-namer.js new file mode 100644 index 000000000..f05e770cc --- /dev/null +++ b/ui/lib/contract-namer.js @@ -0,0 +1,33 @@ +/* CONTRACT NAMER + * + * Takes an address, + * Returns a nicname if we have one stored, + * otherwise returns null. + */ + +const contractMap = require('eth-contract-metadata') +const ethUtil = require('ethereumjs-util') + +module.exports = function (addr, identities = {}) { + const checksummed = ethUtil.toChecksumAddress(addr) + if (contractMap[checksummed] && contractMap[checksummed].name) { + return contractMap[checksummed].name + } + + const address = addr.toLowerCase() + const ids = hashFromIdentities(identities) + return addrFromHash(address, ids) +} + +function hashFromIdentities (identities) { + const result = {} + for (const key in identities) { + result[key] = identities[key].name + } + return result +} + +function addrFromHash (addr, hash) { + const address = addr.toLowerCase() + return hash[address] || null +} |