What Payload Is Sent With Chain Signatures?
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About this video
Learn more about how to send a Chain Signature using NEAR.
More resources can be found at https://near.org/devhub.near/widget/a...
Transcript
344 wordsCaptions as YouTube publishes them, usually machine-generated, so product and people names can be misheard.
- 0:00
what is actually happening what's that secret sauce that's happening to then actually broadcast it to Let's to ethereum so to broadcasted to ethereum in that final step is you've got your so you've got your transaction so from step two you made a transaction but it was unsigned and typically like let's let's just use ethereum these unsigned transactions you produce a hash so you just like you do the uh ethereum has
- 0:24
this thing I'm gonna I don't know if I pronounce it properly I call it kiak right but it's like it's their hashing algorithm so you hash your transaction but it's unsigned right now and then you take that hash and you call the MVC nodes you call sign on their contract you get the response with the signature values um then in that third step the secret sauce is that you take the
- 0:49
original Transaction what what sometimes is referred to as like the base transaction or the unsigned transaction and then you attach the last three values of the it's values for the signature it's typically referred to as RSV values um and if you look at the code examples you'll kind of get it like it it's kind of all done for you and that that stuff's all you know it's just a response from the NPC nodes and then
- 1:13
calculating the Val value is just a a little chunk of client side code and then basically you take all of that and you you do a call to the ethereum uh Network so you can use any RPC provider like any ethereum public node or or blockie or whatever you can use any ethereum RPC provider to call ethor send raw transaction and you just send the transaction hexadecimal like bites that's it you you shoot that up and you just you kind of just wipe your
- 1:45
hands and you you wait back and you crush fingers maybe you don't just go like that maybe you just crush your fingers and then boom it's done right