| 1 | var util = require('multiblob/util')
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| 2 | var isBlob = require('ssb-ref').isBlob
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| 3 | var MultiBlob = require('multiblob')
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| 4 |
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| 5 | function desigil (hash) {
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| 6 | return isBlob(hash) ? hash.substring(1) : hash
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| 7 | }
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| 8 |
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| 9 | function resigil (hash) {
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| 10 | return isBlob(hash) ? hash : '&' + hash
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| 11 | }
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| 12 |
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| 13 | module.exports = function (dir) {
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| 14 | return MultiBlob({
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| 15 | dir: dir,
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| 16 | alg: 'sha256',
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| 17 | encode: function (buf, alg) {
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| 18 | return resigil(util.encode(buf, alg))
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| 19 | },
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| 20 | decode: function (str) {
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| 21 | return util.decode(desigil(str))
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| 22 | },
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| 23 | isHash: isBlob
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| 24 | })
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| 25 | }
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