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- export default () => {
- self.print_error('greeting server')
- self.send(pb.ClientHello(version=Protocol.VERSION, genesis_hash=get_current_genesis_hash()))
- reply = self.recv('serverhello')
- self.num_components = reply.num_components
- self.component_feerate = reply.component_feerate
- self.min_excess_fee = reply.min_excess_fee
- self.max_excess_fee = reply.max_excess_fee
- self.available_tiers = tuple(reply.tiers)
- strong_plugin = self.strong_plugin
- if strong_plugin:
- strong_plugin.set_remote_donation_address(reply.donation_address)
- # Enforce some sensible limits, in case server is crazy
- if self.component_feerate > MAX_COMPONENT_FEERATE:
- raise FusionError('excessive component feerate from server')
- if self.min_excess_fee > 400:
- # note this threshold should be far below MAX_EXCESS_FEE
- raise FusionError('excessive min excess fee from server')
- if self.min_excess_fee > self.max_excess_fee:
- raise FusionError('bad config on server: fees')
- if self.num_components < MIN_TX_COMPONENTS * 1.5:
- raise FusionError('bad config on server: num_components')
- }
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