git ssb

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var util = require('multiblob/util')
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var isBlob = require('ssb-ref').isBlob
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var MultiBlob = require('multiblob')
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function desigil (hash) {
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  return isBlob(hash) ? hash.substring(1) : hash
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}
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function resigil (hash) {
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  return isBlob(hash) ? hash : '&'+hash
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}
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module.exports = function (dir) {
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  return MultiBlob({
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    dir: dir,
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    alg: 'sha256',
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    encode: function (buf, alg) {
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      return resigil(util.encode(buf, alg))
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    },
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    decode: function (str) {
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      return util.decode(desigil(str))
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    },
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    isHash: isBlob
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  })
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}
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