i am looking at tx json output at blockchain.info
here is simple tx for ref. using 1 input and 1 output.
https://blockchain.info/tx/727b2cd08e728aeb08580333207c52d0ddf3ba47f85bd59241c3d92436f5fdd5{
"ver":2,
"inputs":[
{
"sequence":4294967295,
"witness":"",
"prev_out":{
"spent":true,
"tx_index":188897912,
"type":0,
"addr":"3KeMARg9fppMVGytgyVJpc37oAXWyRbRuv",
"value":272135,
"n":0,
"script":"a914c4f11390a7b4fcb4ffc4bd7e756596c706d6098887"
},
"script":"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"
}
],
"weight":1360,
"relayed_by":"0.0.0.0",
"out":[
{
"spent":false,
"tx_index":286831175,
"type":0,
"addr":"1NjTJADyoBLpqvM6kbc9VSMS9DnqUhMZ7R",
"value":236548,
"n":0,
"script":"76a914ee6210015c3768052078a9802b5a648b7991bfb188ac"
}
],
"lock_time":0,
"size":340,
"double_spend":false,
"time":1506651576,
"tx_index":286831175,
"vin_sz":1,
"hash":"727b2cd08e728aeb08580333207c52d0ddf3ba47f85bd59241c3d92436f5fdd5",
"vout_sz":1
}how can i get/calculate input's tx_hash. i mean prev_out input's tx hash. from the available info in current json ?
i.e. from this
{
"sequence":4294967295,
"witness":"",
"prev_out":{
"spent":true,
"tx_index":188897912,
"type":0,
"addr":"3KeMARg9fppMVGytgyVJpc37oAXWyRbRuv",
"value":272135,
"n":0,
"script":"a914c4f11390a7b4fcb4ffc4bd7e756596c706d6098887"
},
"script":"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"
}i want to get this
626ce1cc231f67c6895d92ee28aa4a595e86ffc7ba22de0d5a4469178ee84719
